writing an acknowledgement for a research paper

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How to Write Acknowledgement for Research Paper (5 Samples)

July 12, 2023

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By Mohsin Khurshid

Writing acknowledgements is an essential part of crafting a comprehensive research paper. It allows you to express gratitude and recognize the contributions of individuals and institutions who have supported your work. In this article, we will delve into the art of writing acknowledgement for research papers, providing you with valuable insights, practical tips, and five sample acknowledgements to guide you in acknowledging the people and resources that have played a significant role in your research journey.

Table of Contents

• 1 Understanding the Role of Acknowledgements in Research Papers
• 2 Key Elements of an Effective Acknowledgement
• 3 10 Tips for Writing an Acknowledgement for a Research Paper
• 4.1 Sample 1: Acknowledgement for Collaborative Research:
• 4.2 Sample 2: Acknowledgement for Funding Support:
• 4.3 Sample 3: Acknowledgement for Mentorship and Guidance:
• 4.4 Sample 4: Acknowledgement for Institutional Support:
• 4.5 Sample 5: Acknowledgement for Peer Reviewers:
• 6 Conclusion

Understanding the Role of Acknowledgements in Research Papers

Acknowledgements serve as a platform to express appreciation and recognize the collective effort that goes into the completion of a research paper. They provide an opportunity to acknowledge the guidance, support, and assistance received throughout the research process. By including acknowledgements, you can demonstrate your gratitude and give credit to those who have contributed to your success.

Key Elements of an Effective Acknowledgement

Crafting an effective acknowledgement involves considering various elements to ensure its sincerity and clarity. It is crucial to mention specific individuals, institutions, and their contributions, while keeping the acknowledgement concise and relevant. By adhering to ethical considerations and cultural norms, you can create an acknowledgement that reflects your gratitude and professionalism.

10 Tips for Writing an Acknowledgement for a Research Paper

• Be sincere and genuine : Write your acknowledgements with heartfelt gratitude, expressing sincere appreciation for the support and contributions received during your research.
• Identify specific individuals and institutions: Mention the names of people who have played a significant role in your research, such as mentors, advisors, collaborators, and funding agencies. Also, acknowledge the contributions of institutions that provided resources or facilities.
• Be concise and focused: Keep your acknowledgements concise and to the point. Focus on the key individuals and organizations that have made a substantial impact on your research.
• Use a formal tone: Maintain a professional and formal tone throughout your acknowledgements. Remember that this section is a formal acknowledgment of support, not a casual conversation.
• Follow ethical considerations: Ensure that you acknowledge individuals and organizations according to ethical guidelines and norms. Respect the privacy and confidentiality of individuals who may prefer not to be mentioned.
• Include personal touches: If appropriate, you can include personal anecdotes or specific instances where individuals or organizations made a significant impact on your research.
• Tailor acknowledgements to your research context: Consider the nature of your research and tailor your acknowledgements accordingly. For example, if you conducted interdisciplinary research, acknowledge experts from different fields who provided valuable insights.
• Proofread and edit: Like any other section of your research paper, proofread and edit your acknowledgements for grammar, spelling, and clarity. Ensure that the acknowledgements are well-written and free of errors.
• Seek feedback if needed: If you’re uncertain about whom to acknowledge or how to express your gratitude, seek feedback from your mentors, advisors, or colleagues. They can provide valuable guidance and suggestions.
• Show appreciation beyond formal requirements: While it’s important to acknowledge the required individuals and institutions, also consider extending your appreciation to others who may have supported you indirectly, such as family, friends, or colleagues who provided emotional support during your research journey.

Remember, acknowledgements are an opportunity to express your gratitude and recognize the contributions of those who have helped you along the way. Take the time to craft a thoughtful and sincere acknowledgement section that reflects the support and collaborative spirit of your research endeavor.

5 Samples for Acknowledgment in Research Paper

Explore these 5 carefully crafted acknowledgment samples to effectively express gratitude in your research paper.

Sample 1: Acknowledgement for Collaborative Research:

In this sample, we showcase an acknowledgement that acknowledges the collaborative efforts of research collaborators and team members. It highlights the importance of recognizing the joint contributions made towards the research project.

“I would like to express my deepest appreciation to the members of the research team, [Collaborators’ Names], for their invaluable contributions and collaborative spirit throughout this research project. Our collective efforts and synergistic teamwork have significantly enhanced the quality and depth of this study. Each member’s unique expertise and perspectives have brought forth diverse insights, resulting in a more comprehensive and well-rounded analysis.

I am grateful for the dedication, commitment, and professionalism demonstrated by each team member. The constructive discussions, intellectual debates, and shared enthusiasm have fostered an enriching research environment that has truly pushed the boundaries of our collective knowledge. This research project stands as a testament to the power of collaboration and the collective pursuit of knowledge.”

Sample 2: Acknowledgement for Funding Support:

This sample acknowledgement focuses on acknowledging the financial support received for the research. It emphasizes the significance of recognizing funding agencies or organizations that have provided the necessary resources for the research to take place.

“I would like to extend my sincere gratitude to the funding agencies and organizations that have provided financial support for this research. Their generous contributions have made it possible to conduct this study and have significantly contributed to its successful completion. The financial support has allowed for the procurement of necessary research materials, access to specialized equipment, and the opportunity to engage in valuable research experiences.

I would like to express my appreciation to [Name of Funding Agency/Organization 1] for their generous grant, which has played a crucial role in supporting this research project. Their belief in the significance of this study and their commitment to advancing knowledge in this field have been instrumental in its realization.

Furthermore, I would like to acknowledge the support received from [Name of Funding Agency/Organization 2]. Their funding has been vital in facilitating data collection, analysis, and the dissemination of research findings. Their investment in this project has not only provided financial resources but has also validated the importance and potential impact of this research.”

Sample 3: Acknowledgement for Mentorship and Guidance:

Here, we present a sample acknowledgement that expresses gratitude towards mentors and advisors who have provided guidance and support throughout the research journey. It underscores the critical role of mentorship in academic and research endeavors.

“I am deeply grateful to my mentor, [Mentor’s Name], for their exceptional guidance and unwavering support throughout this research endeavor. Their expertise, insightful feedback, and continuous encouragement have been invaluable in shaping the direction and outcomes of this study. Their unwavering commitment to my academic growth and professional development has been truly inspiring.

I am indebted to [Mentor’s Name] for their generous allocation of time and resources, their willingness to share their wealth of knowledge, and their unwavering dedication to pushing me to new heights. Their mentorship has not only enriched the quality of this research but has also had a profound impact on my personal and intellectual growth. I am truly fortunate to have had the privilege of working under their guidance.”

Sample 4: Acknowledgement for Institutional Support:

In this sample, we illustrate an acknowledgement that acknowledges the support and resources provided by institutions. It emphasizes the institutional backing that has facilitated the research process and contributed to its success.

“I would like to express my heartfelt gratitude to the faculty members and academic advisors who have provided guidance, feedback, and support throughout my academic journey. Their expertise, wisdom, and dedication to teaching and mentoring have been instrumental in shaping my research skills and scholarly pursuits.

I am grateful to [Name of Faculty Member/Advisor 1] for their unwavering support and invaluable insights. Their expertise and guidance have been critical in refining the research design, analyzing data, and interpreting findings. Their constructive feedback and intellectual discussions have truly enriched this study.

I would also like to acknowledge the contributions of [Name of Faculty Member/Advisor 2]. Their mentorship and encouragement have played a pivotal role in the development of my research abilities and have inspired me to reach for new heights. Their belief in my potential has been a constant source of motivation throughout this research journey.”

Sample 5: Acknowledgement for Peer Reviewers:

“I would like to express my deepest gratitude to the anonymous peer reviewers who have dedicated their time and expertise to provide valuable feedback and constructive criticism on this research paper. Their rigorous evaluation, insightful comments, and suggestions for improvement have immensely contributed to the quality and credibility of this work.

The meticulous review process conducted by the peer reviewers has helped shape and refine the content, methodology, and interpretation of this study. Their expertise in the field and their commitment to upholding scholarly standards have been crucial in ensuring the accuracy, validity, and relevance of the research findings.

I am sincerely grateful for the time and effort invested by each reviewer in thoroughly assessing this paper. Their detailed comments and recommendations have not only helped enhance the clarity and coherence of the manuscript but have also encouraged further reflection and refinement of the research.

The contributions of the peer reviewers are invaluable in the advancement of scientific knowledge and the improvement of academic publications. Their commitment to maintaining the rigor and integrity of the research process plays a pivotal role in fostering academic excellence and promoting the dissemination of high-quality research outcomes.”

When writing an acknowledgement in a research paper, begin by expressing gratitude to individuals, institutions, or organizations who have contributed to the research. Provide a sincere and concise acknowledgement, mentioning their specific contributions and the impact they made on the study.

While specific examples may vary depending on the research context, an acknowledgement section in a journal article typically acknowledges the contributions of individuals, funding sources, or institutions involved in the research process. It expresses gratitude for their support, guidance, or resources.

The purpose of the acknowledgement section in a research paper is to recognize and express gratitude to individuals or entities who have supported the research. It acknowledges their contributions, whether through funding, mentorship, technical assistance, data provision, or other forms of support.

When writing acknowledgements for a publication , start by identifying the key individuals or entities that have contributed to the research. Express gratitude for their support, mentioning specific contributions and the value they added to the study. Keep the acknowledgements concise and focused on the research context.

The acknowledgement section of a research paper should include acknowledgements for individuals or entities that have contributed to the research process. This may include mentors, advisors, funding agencies, research collaborators, or others who have provided valuable support, guidance, or resources.

While including an acknowledgement section in a research paper is not mandatory, it is a common practice in academic publishing. It provides an opportunity to acknowledge and appreciate the contributions of individuals or entities who have supported the research.

When writing an acknowledgements section for a literature review, acknowledge individuals or sources that have influenced and contributed to your understanding of the topic. Express gratitude for their insights, guidance, or resources that have shaped your literature review.

The terms “acknowledgement” and “acknowledgment” are both correct and interchangeable. The choice of spelling (with or without the “e”) may depend on regional or personal preferences.

To acknowledge a source in a research paper, use proper citation and referencing techniques according to the specific citation style guidelines. Include in-text citations and a corresponding entry in the reference list or bibliography to give credit to the original source.

Yes, you can acknowledge individuals who provided personal support in the acknowledgement section, such as family, friends, or loved ones. Recognize their emotional support, encouragement, or understanding during the research process.

Writing acknowledgements for a research paper allows you to express gratitude and acknowledge the invaluable contributions of individuals and institutions who have supported your work. By following the tips and utilizing the sample acknowledgements provided in this article, you can effectively and sincerely express your appreciation. Remember, acknowledgements are an opportunity to show your gratitude and give credit where it is due.

Acknowledgement for Paper Publication (10 Samples)

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How to Write Acknowledgement in Research Paper

Table of Contents

Writing an acknowledgement in a research paper is an integral part of the process. It is a formal way of expressing gratitude to the individuals and institutions that contributed to the completion of your research.

This section, though not mandatory, holds significant value as it acknowledges the efforts of those who assisted you in the successful completion of your project. In this comprehensive guide, we will delve into the intricacies of writing an effective acknowledgement for your research paper.

Introduction

Acknowledgements serve a crucial role in research papers . They not only express gratitude but also provide a sense of credibility to your work. Acknowledging the contributions of others shows that your research is a collective effort, which can enhance the perceived validity of your findings.

Moreover, acknowledgements can also serve as a platform for you to demonstrate your professional courtesy and respect for the individuals and institutions that have supported your research. This can help in fostering positive relationships, which can be beneficial for your future research endeavors.

Who to acknowledge in your research paper ?

Deciding who to acknowledge in your research paper can be a challenging task. It is important to ensure that you do not overlook anyone who has contributed to your research. Here are some categories of individuals and institutions that you might consider acknowledging:

Academic advisors and supervisors:

Your academic advisors and supervisors are likely to be your first point of contact for guidance and support during your research. They provide valuable insights, feedback, and direction, which can significantly influence the outcome of your research.

Therefore, acknowledging them in your research paper is a way of expressing your gratitude for their assistance and guidance. It also shows your respect for their expertise and dedication to your research.

Research participants and collaborators

Research participants and collaborators play a crucial role in the success of your research. They provide the data or information necessary for your research, making their contribution invaluable.

Acknowledging them in your research paper is a way of showing your appreciation for their time and effort. It also symbolizes your respect for their contribution to your research.

Funding bodies and institutions:

Funding bodies and institutions provide the financial support necessary for conducting your research. Without their support, it might be challenging to carry out your research effectively.

Therefore, acknowledging them in your research paper is a way of expressing your gratitude for their financial support. It also shows your appreciation for their trust in your research capabilities.

How to write acknowledgements for your research paper?

Writing acknowledgements for your research paper involves more than simply listing names. It requires a thoughtful and sincere expression of gratitude. Here are some steps to guide you in writing effective acknowledgements:

Start with the most significant contributions:

Begin your acknowledgements by expressing gratitude to those who have made the most significant contributions to your research. This could be your academic advisors, supervisors, or funding bodies. Starting with the most significant contributions helps to set the tone for the rest of your acknowledgements.

Ensure that you express your gratitude sincerely and professionally. Avoid using overly emotional or informal language as this can undermine the professionalism of your acknowledgements.

Acknowledge other contributors:

After acknowledging the most significant contributors, proceed to acknowledge other individuals and institutions that have supported your research. This could include research participants, collaborators, and other supportive individuals or institutions.

When acknowledging these contributors, be sure to express your gratitude sincerely and professionally. Also, ensure that you acknowledge each contributor individually to show your appreciation for their unique contribution.

Use appropriate language and tone:

The language and tone you use in your acknowledgements can significantly influence how they are perceived. Therefore, it is important to use appropriate language and maintain a professional tone throughout your acknowledgements.

Use formal language and avoid using jargon or colloquial expressions. Also, maintain a consistent tone throughout your acknowledgements to ensure that they are coherent and easy to read.

Examples of acknowledgements in research papers

Here are a few examples that demonstrate how to acknowledge different contributors effectively:

"I would like to express my deepest gratitude to my advisor, Professor ABC, for his invaluable guidance and support throughout this research. His expertise and dedication have been a source of inspiration and motivation."

Research participants and collaborators:

"I am deeply grateful to all the participants who generously shared their time and experiences for this research. Their contributions have been instrumental in the success of this study."

"This research was made possible by the generous funding from ABC Foundation. I am profoundly grateful for their support and trust in my research capabilities."

Writing acknowledgements in a research paper is a thoughtful process that requires careful consideration of who to acknowledge and how to express gratitude. By following the guidelines and examples provided in this article, you can write effective acknowledgements that reflect your appreciation and respect for the contributions of others to your research.

Remember, acknowledgements are more than just a formality. They are an opportunity to express your gratitude and respect for the individuals and institutions that have supported your research journey. So, take the time to write acknowledgements that are sincere, professional, and reflective of your gratitude.

Frequently Asked Questions

In a research paper, the acknowledgment section is where the author shows appreciation to those who helped with the research. It's usually found at the start of the paper, before the main text begins. However, the exact location varies depending on the university guidelines.

Citations are formal ways to acknowledge the sources you used, while acknowledgments are more personal and can serve as a confidential way to thank someone for their help or contribution.

The purpose of including acknowledgement is to express gratitude to everyone who assisted with the research but didn't meet the criteria for being listed as an author.

There is no minimum length for writing an acknowledgement in a research paper but it should not be more than one page.

If you conducted the research entirely by yourself and received no assistance or support from others, it's not necessary to include acknowledgements. However, if you received any form of support or assistance, even if minimal, it's appropriate to acknowledge it.

Yes, it's appropriate to acknowledge funding sources in your research.

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Thesis Acknowledgements Examples

5 Examples For Your Inspiration

By: Derek Jansen (MBA) | Reviewers: Dr Eunice Rautenbach | May 2024

The acknowledgements section of your thesis or dissertation is an opportunity to say thanks to all the people who helped you along your research journey. In this post, we’ll share five thesis acknowledgement examples to provide you with some inspiration.

Overview: Acknowledgements Examples

• The acknowledgements 101
• Example:  Formal and professional
• Example:  Warm and personal
• Example:  Challenge-centric
• Example:  Institution-centric
• Example:  Reflective and philosophical
• FREE Acknowledgements template

Acknowledgements 101: The Basics

The acknowledgements section in your thesis or dissertation is where you express gratitude to those who helped bring your project to fruition. This section is typically brief (a page or less) and less formal, but it’s crucial to thank the right individuals in the right order .

As a rule of thumb, you’ll usually begin with academic support : your supervisors, advisors, and faculty members. Next, you’ll acknowledge any funding bodies or sponsors that supported your research. You’ll then follow this with your intellectual contributors , such as colleagues and peers. Lastly, you’ll typically thank your personal support network , including family, friends, and even pets who offered emotional support during your studies.

As you can probably see, this order moves from the most formal acknowledgements to the least . Typically, your supervisor is mentioned first, due to their significant role in guiding and potentially evaluating your work. However, while this structure is recommended, it’s essential to adapt it based on any specific guidelines from your university. So, be sure to always check (and adhere to) any requirements or norms specific to your university.

With that groundwork laid, let’s look at a few dissertation and thesis acknowledgement examples . If you’d like more, check out our collection of dissertation examples here .

Need a helping hand?

Example #1: Formal and Professional

This acknowledgement formally expresses gratitude to academic mentors and peers, emphasising professional support and academic guidance.

I extend my deepest gratitude to my supervisor, Professor Jane Smith, for her unwavering support and insightful critiques throughout my research journey. Her deep commitment to academic excellence and meticulous attention to detail have significantly shaped this dissertation. I am equally thankful to the members of my thesis committee, Dr. John Doe and Dr. Emily White, for their constructive feedback and essential suggestions that enhanced the quality of my work.

My appreciation also goes to the faculty and staff in the Department of Biology at University College London, whose resources and assistance have been invaluable. I would also like to acknowledge my peers for their camaraderie and the stimulating discussions that inspired me throughout my academic journey. Their collective wisdom and encouragement have been a cornerstone of my research experience.

Finally, my sincere thanks to the technical staff whose expertise in managing laboratory equipment was crucial for my experiments. Their patience and readiness to assist at all times have left a profound impact on the completion of my project.

Example #2: Warm and Personal

This acknowledgement warmly credits the emotional and personal support received from family, friends and an approachable mentor during the research process.

This thesis is a reflection of the unwavering support and boundless love I received from my family and friends during this challenging academic pursuit. I owe an immense debt of gratitude to my parents, who nurtured my curiosity and supported my educational endeavours from the very beginning.

To my partner, Alex, your endless patience and understanding, especially during the most demanding phases of this research, have been my anchor. A heartfelt thank you to my supervisor, Dr. Mark Brown, whose mentorship extended beyond the academic realm into personal guidance, providing comfort and motivation during tough times.

I am also thankful for my friends, who provided both distractions when needed and encouragement when it seemed impossible to continue. The discussions and unwavering support from my peers at the university have enriched my research experience, making this journey not only possible but also enjoyable. Their presence and insights have been pivotal in navigating the complexities of my research topic.

Example #3: Inclusive of Challenges

This acknowledgement recognises the wide range of support received during unexpected personal and academic challenges, highlighting resilience and communal support.

The path to completing this dissertation has been fraught with both professional challenges and personal adversities. I am profoundly grateful for the enduring support of my supervisor, Dr. Lisa Green, whose steadfast belief in my capabilities and academic potential encouraged me to persevere even during my lowest moments. Her guidance was a beacon of light in times of doubt.

I must also express my deepest appreciation for my family, who stepped in not only with emotional reassurance, but also with critical financial support, when unexpected personal challenges arose. Their unconditional love and sacrifice have been the foundation of my resilience and success.

I am thankful, too, for the support services at the university, including the counselling centre, whose staff provided me with the tools to manage stress and maintain focus on my academic goals. Each of these individuals and institutions played a crucial role in my journey, reminding me that the pursuit of knowledge is not a solo expedition but a communal effort.

Example #4: Institution-Centric

This acknowledgement succinctly appreciates the financial, academic, and operational support provided by the university and its staff.

This dissertation would not have been possible without the generous financial support from the University of Edinburgh Scholarship Programme, which enabled me to focus fully on my research without financial burden. I am profoundly grateful to my advisor, Professor Richard Miles, for his sage advice, rigorous academic guidance, and the confidence he instilled in me. His expertise in the field of microbiology greatly enriched my work.

I would also like to thank the staff at the university library, whose assistance was indispensable. Their patience and willingness to help locate rare and essential resources facilitated a thorough and comprehensive literature review. Additionally, the administrative and technical staff, who often go unmentioned, provided necessary support that greatly enhanced my research experience. Their dedication and hard work create an environment conducive to academic success.

Lastly, my peers’ encouragement and the intellectual environment at the university have been vital in completing my research.

Example #5: Reflective and philosophical

This acknowledgement reflects on the philosophical growth and personal insights gained through the support of mentors, peers, and family, framing the dissertation as a journey of intellectual discovery.

Completing this thesis has been not only an academic challenge but also a profound journey of personal and philosophical growth.

I am immensely grateful to my mentor, Professor Sarah Johnson, for encouraging me to explore complex ideas and to challenge conventional wisdom. Her guidance helped me navigate the philosophical underpinnings of my research and deepened my analytical skills. My fellow students in the Philosophy Department provided a supportive and intellectually stimulating community. Our discussions extended beyond the classroom, offering new insights and perspectives that were crucial to my thesis.

I am also deeply thankful for my family, whose intellectual curiosity and spirited philosophical debates at home sparked my interest in philosophy from a young age. Their continuous support and belief in my academic pursuits have been instrumental in my success.

This dissertation reflects not only my work but also the collective support of everyone who has touched my life academically and personally. The journey has taught me the value of questioning and the importance of diverse perspectives in enriching our understanding of complex philosophical issues.

FREE Acknowledgements Template

To help fast-track your writing process, we’ve created a free, fully editable template . This template covers all the necessary content for a generic thesis or dissertation acknowledgements section. If you’re interested, you can download a copy here .

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How to Write an Acknowledgement for a Research Paper

Hey guys, Phill Collins here! Today, I will teach you how to write an acknowledgment section in a research paper. Let’s do this!

Acknowledging contributions is a crucial aspect of creating a thorough research paper. It provides an opportunity to convey appreciation and acknowledge the support from individuals and institutions throughout your work. This piece will explore the intricacies of crafting acknowledgments for papers, offering valuable insights, practical advice, and sample acknowledgments. It aims to assist you in expressing gratitude to those who have played a substantial role in your research journey. As usual, I recommend those of you who struggle with your writings to pay for a research paper to save time and have a stress-free evening.

What Is Acknowledgement in a Research Paper

Acknowledgment in a research paper is a section dedicated to expressing gratitude and recognizing the individuals, institutions, or resources that have contributed to the completion of the research. This section is an opportunity for the author to appreciate the support, guidance, or assistance received during the research process. Acknowledgments go beyond the academic content of the paper and serve as a personal and professional gesture of recognition for those who played a significant role in the research endeavor.

In this section, researchers typically acknowledge the contributions of mentors, advisors, colleagues, or peers who provided valuable insights, feedback, or assistance in shaping the research project. Additionally, institutions, funding agencies, or organizations that supported the research financially or through resources may be acknowledged. The acknowledgment section reflects the collaborative and communal nature of academic work, highlighting the interconnected web of individuals and entities that contribute to the scholarly pursuit.

While there is no strict format for writing acknowledgments, it is important to balance professionalism and sincerity. Authors can use this space to express genuine gratitude, share personal reflections on the collaborative process, and convey the impact of the support received. The acknowledgment section adds a human touch to the paper, recognizing the collective effort that goes into the creation of academic knowledge.

The Role of an Acknowledgment in a Research Papers

The acknowledgment section in a paper plays a vital role in recognizing and appreciating the various contributors and influences that have shaped the research journey. Beyond the academic rigor captured in the main body of the paper, acknowledgments offer a space to express gratitude for the support and guidance received during the research process. This section often serves as a heartfelt acknowledgment of the collaborative effort to bring a research project to fruition.

Essentials of an Acknowledgement in Research Paper

An essential component of a complex paper, the acknowledgment section serves as a heartfelt expression of gratitude towards individuals and entities who have contributed significantly to the research process. In this section, authors typically recognize mentors, advisors, colleagues, and peers who provided valuable insights, guidance, or support. Additionally, institutions, funding sources, or organizations that played a role in the research project are acknowledged. The acknowledgment is a personal touch within the scholarly document, acknowledging the collaborative nature of academic work and underscoring the importance of communal support in the research journey. It adds a human element to the paper, recognizing the interconnected network of individuals and resources that contribute to the scholarly endeavor.

How to Write an Acknowledgement for Research Paper Using 8 Simple Tips

Keep in mind that acknowledgments offer a chance to express gratitude and acknowledge the valuable contributions of those who assisted you. Dedicate time to creating a genuine and thoughtful acknowledgment section that mirrors the collaborative and supportive nature of your research endeavor.

Sincerity and Authenticity

Write your acknowledgments with heartfelt gratitude, conveying genuine appreciation for the support and contributions you received throughout your research journey.

Specific Individuals and Institutions

Identify key figures and entities that played a substantial role in your research, including mentors, advisors, collaborators, and funding agencies. Acknowledge institutions that provided resources or facilities.

Conciseness and Focus

Keep your acknowledgments brief and to the point. Concentrate on highlighting the pivotal individuals and organizations that significantly influenced your research.

Formal Tone

Maintain a professional and formal tone throughout your acknowledgments. Remember that this section serves as a formal recognition of support, not a casual conversation.

Ethical Considerations

Adhere to ethical guidelines and norms when acknowledging individuals and organizations. Respect the privacy and confidentiality of those who may prefer not to be mentioned.

Personal Touches

If appropriate, include personal anecdotes or specific instances where individuals or organizations made a noteworthy impact on your research.

Tailor to Research Context

Consider the nature of your research and customize your acknowledgments accordingly. For instance, if your research is interdisciplinary, recognize experts from various fields who provide valuable insights.

Appreciation Beyond Formal Requirements

While an acknowledgement in research paper has to list individuals and institutions, extend your appreciation to others who indirectly supported you. This may include family, friends, or colleagues who provided emotional support during your research journey.

Example of Acknowledgement in Research Paper

An Additional Example of Acknowledgement in Research Paper

Final Words

In my opinion, acknowledgements in a research paper provide an avenue to convey appreciation and recognize the indispensable contributions of individuals and institutions that have bolstered your work. In this article, I did my best to offer tips and a sample acknowledgment to assist you in authentically expressing your gratitude. Keep in mind that acknowledgments are a chance to genuinely convey appreciation and attribute credit where it is rightfully due.

How to write acknowledgement in research paper?

Begin your acknowledgment section with a formal salutation, expressing gratitude to those who contributed to your research. Use a sincere and appreciative tone, mentioning specific individuals and institutions, and keep it concise.

What is the purpose of the acknowledgement section in a research paper?

The acknowledgment section serves to express gratitude and recognize the contributions of individuals and institutions who supported the research. It reflects the researcher's appreciation for guidance, resources, and collaboration during the project.

What should the acknowledgement section of a research paper include?

An acknowledgement for research paper includes thanks to advisors, committee members, funding agencies, collaborators, institutions providing resources, and anyone who significantly contributed. Maintain a formal tone, adhere to ethical considerations, and, if appropriate, add a personal touch or anecdotes.

How to acknowledge someone in a research paper?

Acknowledge individuals by mentioning their names, roles, and specific contributions. Follow a formal and respectful tone, adhering to ethical guidelines. If applicable, express personal appreciation and consider tailoring acknowledgments to the nature of the research and relationships involved.

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Recognizing Contributions: Acknowledge In Research Paper

Learn how to acknowledge in research paper with our simple guide, and ensure that your work gains recognition.

When we work on any project, it’s not just about our individual effort, it’s about teamwork as well. It’s important to acknowledge the contributions of others who have helped you along the way. This is where the acknowledgment section comes in. In this part of your paper, you can express your gratitude to those who have supported you throughout the research process, such as funders, advisors, assistants, collaborators, participants, and editors.

However, it’s important to be mindful of ethical considerations and avoid any promotion or advertising of specific individuals or organizations. In this guide, we’ll cover everything you need to know about acknowledgments, including how to acknowledge in research paper ,  tips for writing them, common mistakes to avoid, and ethical considerations. So, let’s get started!

What Is Acknowledgement In A Research Paper?

The acknowledgment section in a research paper credits individuals, institutions, or organizations that aided in the research or manuscript preparation. It’s usually found after the conclusion.

While optional, acknowledgments are commonly added to recognize and thank contributors for their efforts. This section typically starts with a statement thanking those who funded or supported the project, along with colleagues, research assistants, or other contributors who provided valuable feedback or assistance.

Being specific and detailing the contributions of each individual or organization is crucial to show their importance in the research process. However, it’s unnecessary to acknowledge everyone who helped, and acknowledgments should be kept brief and relevant to the project.

Why Is Acknowledgment Important?

Acknowledgment holds significant importance in research as it acknowledges and provides credit to individuals or organizations who have contributed to the research project. It expresses gratitude for their guidance, support, and assistance during the research process.

Acknowledgments are commonly included in research papers to build relationships and encourage future collaborations with those who have supported the research. By acknowledging their contributions, researchers demonstrate their appreciation for the input of others and the importance of collaboration in the research process.

Moreover, the acknowledgment section ensures academic integrity by recognizing and crediting all contributors to the research project. It also prevents any potential issues related to plagiarism or lack of attribution. 

Who Should Be Acknowledged?

Acknowledgments in a research paper should recognize and give credit to individuals, organizations, or institutions that contributed to the research project in some way. This can include: 

• Funding sources: Acknowledge those who provided financial support for the research project.
• Academic advisors or mentors: Acknowledge those who provided guidance or supervision throughout the research process.
• Research assistants: Acknowledge those who provided technical or administrative support during the research.
• Participants : Acknowledge those who took part in the research study, such as survey respondents.
• Collaborators : Acknowledge colleagues or other researchers who contributed to the research project in some way.
• Editors or proofreaders: Acknowledge those who helped with editing or proofreading the manuscript .
• Institutions or organizations: Acknowledge the institution or organization that provided resources or support for the research project. 

Types Of Acknowledgement

Acknowledgment in a research paper can take various forms, depending on the purpose and context of the project. Here are some common types of acknowledgments: 

1. Formal Acknowledgments

These are typically written in a formal tone and are used to recognize and give credit to people, organizations, or institutions that provide financial or technical support to the research project. These acknowledgments often appear at the beginning or end of the research paper and may include formal language and formatting.

2. Informal Acknowledgments

These acknowledgments are often more personal and informal in tone. They may include acknowledging friends, family members, or colleagues who provided emotional support or helped in some way during the research process.

3. Professional Acknowledgments

These acknowledgments are typically used in academic or professional settings and are aimed at giving credit to individuals or organizations that contributed to the research project. These acknowledgments may include thanking mentors, colleagues, research assistants, or funding agencies.

4. Collaborative Acknowledgments

These acknowledgments are used to recognize the collaborative nature of research projects. They may include acknowledging co-authors, collaborators, or other researchers who contributed to the project in some way.

Tips For Writing An Acknowledgement

When writing acknowledgment in a research paper, it’s important to keep the following tips in mind: 

• Be specific: Clearly mention the contributions made by individuals or organizations, and how they helped in the research process.
• Use appropriate tone: Write in a professional tone and avoid using overly emotional language.
• Keep it concise: Avoid lengthy paragraphs and keep the acknowledgment section brief and relevant.
• Follow the required format: Check the guidelines provided by the journal or institution and ensure that you follow the required format.
• Proofread: Carefully proofread the acknowledgment section for any errors or typos.
• Be grateful: Show appreciation and gratitude to the individuals or organizations who contributed to the research project.
• Avoid self-promotion: The acknowledgment section should not be used to promote oneself or one’s organization.

 Examples Of Acknowledgement

Examples of acknowledgments in a research paper include thanking the funding sources, academic advisors or mentors, research assistants, participants, collaborators, editors or proofreaders, and institutions or organizations that provided support. Here are some sample acknowledgments that are concise and relevant to the research project:

Acknowledge In Research Paper: Example 1

“I would like to thank Dr. Ram for his invaluable guidance and support throughout this project. I am also grateful to my research assistant, Priya, for her technical expertise and administrative assistance. This project would not have been possible without the generous financial support of the XYZ Foundation. Lastly, I would like to acknowledge the study participants who generously shared their time and insights.”

Acknowledge In Research Paper: Example 2

“I am indebted to Dr. Mary for her continuous support and feedback throughout the research process. I also want to thank my colleagues, Shahin and Sarah, for their valuable input and suggestions. The editorial assistance provided by XYZ Editing Services was also greatly appreciated. I am also grateful to the ABC Institution for providing the necessary resources for this research project.”

Common Mistakes To Avoid When Writing An Acknowledgement

When writing acknowledgment, it’s important to avoid certain mistakes, such as:

• Forgetting to acknowledge someone who contributed to the research project.
• Using vague language instead of specific details about how someone contributed.
• Focusing too much on personal anecdotes or stories, rather than keeping the acknowledgment concise and relevant to the research project.
• Using the acknowledgment section to promote or advertise specific individuals or organizations.
• Forgetting to proofread the acknowledgment section for errors in grammar or spelling.
• Including acknowledgments that are not relevant to the research project.
• Making it too formal or too casual, rather than matching the tone of the rest of the research paper.

To avoid these mistakes, it’s important to carefully consider who should be acknowledged, what specific contributions they made, and to keep the language concise and relevant to the research project. It’s also helpful to have someone else review the acknowledgment section to ensure that it’s free of errors and strikes the right tone.

How To Acknowledge In Research Paper? 

• When citing an acknowledgment in a research paper, it should be listed as a separate section at the end of the paper, following the references section. It should be titled “Acknowledgement” and be placed after the conclusion but before the reference list.
• Acknowledgment section should not be included within the text citation or reference list. However, if a person or organization mentioned in the acknowledgment section was cited within the text, it should be included in the in-text citation and reference list.
• It’s important to make sure that acknowledgments are cited correctly in order to give credit to those who contributed to the research project. This will help to ensure academic integrity and avoid plagiarism. Learn more about Plagiarism here .

Ethical Considerations For Acknowledging Others In Your Research Paper

It is essential to consider ethical principles when acknowledging others in your research paper. First and foremost, ensure that you acknowledge all individuals and organizations that made significant contributions to your research. This acknowledgment must be honest and accurate and should not falsely claim credit for the work of others.

Additionally, it is crucial to obtain consent from individuals before acknowledging them in your research paper, particularly when using their personal information. Ensure that you have informed them about how their contribution will be acknowledged and seek their permission to do so.

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How to Write Acknowledgements

2-minute read

• 25th March 2015

If you are near the end of your thesis, you can start to think about putting on the finishing touches . One thing you will have to do here is write your acknowledgements. A lot of people worry about this, but there’s really no need. As we are about to show, it’s actually quite simple!

What Are Acknowledgements?

The acknowledgement section of a thesis is where you can thank everyone who has helped you in your research. It is typically located at the beginning of your thesis, right after the contents page, and shouldn’t really be more than one or two pages long. The best thing to do is to keep it concise.

Who Should I Thank?

Think about the people who were of crucial importance during your research. This could include friends, family or professors, or even volunteers who have taken part in your research. It’s also important to acknowledge professional bodies who have given you funding or other help.

How Should I Write It?

There are no strict requirements for the tone of your acknowledgements; it’s essentially the one section where you can be a little bit more informal! Try to make sure the tone fits the person or organization you’re thanking, though, maintaining a formal approach when addressing funding bodies or other official groups.

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Other than trying to be concise, the main thing you should keep in mind is varying your language, if only because starting every sentence with “I would like to thank…” will sound a bit dull.

There are several ways you could word your thanks. A few suggestions are:

• This research would not have been possible without…
• My sincere thanks go to…
• I am grateful to…
• Heartfelt thanks to…
• I would like to express my gratitude to…
• Appreciation is due to…
• I acknowledge the contribution of…
• I am indebted to…

And that’s all there is to it! Relax and enjoy writing your acknowledgements. If you’ve got this far in the thesis-writing process, you’re over the toughest bit now! For more information about writing a dissertation or thesis, read our full dissertation writing guide .

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How to Write Acknowledgement: The 3-Minute Guide for Students

Writing acknowledgements is an important part of completing any academic project, from a dissertation to a school project. It is an opportunity to thank those who have helped you on the journey to completing your work.

In this guide, we will give you just enough information you will need to complete your acknowledgement section for your writing. Nothing more and nothing less. Let’s dive right in!

What is acknowledgement in academic writing?

An acknowledgement is a page is where you show appreciation to people who helped or supported you intellectually, mentally, or financially in your academic writing.

It should be no longer than one page.

The acknowledgement section is where you show appreciation to people who helped or supported you intellectually, mentally, or financially in your academic writing. It should be no longer than one page.

Acknowledgement are commonly found in academic writings such as:

• School/college projects
• Research papers
• Dissertations

More Definitions on Acknowledgement

• Acknowledgement vs Empathy What is the Difference Between Acknowledgement and Empathy?
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• Acknowledgement vs Agreement Is Acknowledgement the Same as Agreement?
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“Acknowledgement” vs “Acknowledgment”… …what the hack?

Both “acknowledgement” and “acknowledgment” are used in the English-speaking world. However, acknowledgement with the “e” in the middle is more commonly used. It is up to 24.5 times more popular in the top 5 English-speaking countries in the world.

Why should I include an acknowledgement section in my writing?

Acknowledging assistance and contributions from others can establish your integrity as a researcher. This will eventually make your work more credible.

Where to put the acknoweldgement section?

Generally, the acknowledgements should be put right after the title page and before the table of contents.

For term papers, you can also write your acknowledgement at the end, after the conclusion, and before the reference section.  

How long should an acknowledgement be?

The length of an acknowledgement should not be more than one page if you are writing for your thesis or dissertation. You should keep your acknowledgement as short as possible thanking all the individuals helping your throughout the project.

For a simple college or school project, you should write at least a paragraph or two thanking at least your college/school and teachers/instructors. A s hort 1-2 paragraph or 100-150 words for your acknowledgement section is fine.

What should be acknowledged about?

In your acknowledgement section, you can show gratitude for those who provide you with resources in the following area;

• Technical help may include people who helped you by providing materials and supplies.
• Intellectual help includes academic advice and assistance.
• Mental help can be any kind of verbal support and encouragement.
• Financial help is obviously related to monetary support

Who should I include in the acknowledgement?

In general, there are two main categories of acknowledgements:  professional  and  personal . And sometimes people would include a spiritual acknowledgement to the higher power.

It’s a common practice to put professional acknowledgements first, followed by any personal ones. And in the case of spiritual acknowledgement, it will be out up front regardless.

• Your Supervisor/ Teacher
• Lab assistants
• Academic staff of your school/college
• Your college/school
• Your faculty/department
• Friends/Your colleagues
• Family members

Start by listing all the people whom you wish to thank for helping or collaborating with your project. It could be your teacher, your friends, your families, and others. List everyone whom you think has helped you achieve your project goals. 

Then you would have to organize them, starting with those people who helped you the most with the project. After that, you can thank your college or university as well.

When thanking professionals, always write out their  full names  and provide their titles. For example, “I would like to thank Dr. Steve Kerr, Professor Matt Simms for their support in this project.” 

If you intend to include a list of people from one institution or organization, it is best to list their names in  alphabetical order . 

What is the tone and format of the acknowledgement section?

You should write your acknowledgement in formal language with complete sentences. Although the  first person  is not used in academic research projects, you can use it in the acknowledgement for the thesis section. In other words, p ersonal pronouns  such as “I, my, me …”are nearly always used in the acknowledgements.

The information supplied in the acknowledgement section of academic writing should be kept concise. It should only include persons who are directly involved with the project.

Phrases to use while writing an acknowledgement

Strong ‘Thank You’

(You will use these lines for those who have helped you the most.)

• I’m extremely grateful to …
• I’d like to express my deepest thanks to…
• This project would not have been possible without…
• I cannot begin to express my thanks to……, who…
• I would like to extend my deepest gratitude to…
• I would like to pay my special regards to …
• I would like to recognize the invaluable assistance of…..

Medium ‘Thank You’

• I would also like to thank…
• I must also thank…
• I’d also like to express my gratitude to…
• Especially, I would like to thank…
• I am very grateful to…
• I should also appreciate…

Weaker ‘Thank You’

• I’d also like to acknowledge the help of…
• I’d also like to thank…
• Finally, I would like to thank…

After thanking everyone, you should also mention why you are thanking them. You can thank those people for their advice, suggestions, sharing their experience, guidance, support, etc., and appreciate their support and help for your project.

Here’s an example of an acknowledgement for a research paper:

Acknowledgments

First of all, I would like to thank my Almighty God for giving us the determination to complete this research paper.

I would like to thank also Prof. [name of professor] my thesis adviser, for his continuous support, patience, and motivation, and for unselfishly sharing his expertise from the initial to the final stage of this academic endeavor. I am also thankful to the panelists for their encouragement, insightful comments, and intellectual guidance.

I am also grateful to my classmates and cohort members, especially my office mates, for their editing help, honest feedback, and encouragement. Thanks should also go to the research assistants, and librarians from the university, who have been keeping me resourceful.

Last but not least, I want to thank my family for all their love and patience in making this journey meaningful.

Acknowledgement Examples for School/College Projects

Most popular Acknowledgement For School/College Projects [7 Examples] Acknowledgement for English Project [5 Examples] Acknowledgement for Project Class 11 and 12 Acknowledgement for Project of Class 8, 9 and 10 By subjects Acknowledgement for Accounting Project [3 Examples] Acknowledgement for Business Studies Project [5 Examples] Acknowledgement for Chemistry Project [5 Examples] Acknowledgement for Computer Project [5 Examples] Acknowledgement for Economics Project [5 Examples] Acknowledgement for English Project [5 Examples] Acknowledgement for Geography Project [5 Examples] Acknowledgement for History Project [5 Examples] Acknowledgement for Maths Project for Students [5 Examples] Acknowledgement for Physics Project [5 Examples] Acknowledgement for Social Science Project [5 Examples] Others Acknowledgement for Group Project [5 Examples] Acknowledgement for Graduation Project [5 Examples] Acknowledgement for Disaster Management Project [3 Examples] Acknowledgement for Yoga Project [3 Samples]

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Acknowledgements Example for an Academic Research Paper

Posted by Rene Tetzner | Sep 1, 2021 | How To Get Published | 0 |

Acknowledgements Example for an Academic or Scientific Research Paper This example of acknowledgements for a research paper is designed to demonstrate how intellectual, financial and other research contributions should be formally acknowledged in academic and scientific writing. As brief acknowledgements for a research paper, the example gathers contributions of different kinds – intellectual assistance, financial support, image credits etc. – into a single Acknowledgements section. Do note, however, that the formats preferred by some scholarly journals require the separation of certain contributions such as financial support of research into their own sections.

Although authors often write acknowledgements hastily, the Acknowledgements section is an important part of a research paper. Acknowledging assistance and contributions establishes your integrity as a researcher as well as your connections and collaborations. It can also help your readers with their own research, affect the influence and impact of the researchers and other professionals you thank, and demonstrate the value and purpose of the agencies that fund your work. The contents of the example I have prepared here are appropriate for a research paper intended for publication in a peer-reviewed journal, but the author, the research project, the manuscript studied, the journal publishing the paper and all those to whom gratitude is extended are entirely fictional. They were created for the purpose of demonstrating the following key concerns when writing the acknowledgements for a formal research paper:

•   Writing in the first person (‘I’ for a single author or ‘we’ for two or more) to offer concise but sincere acknowledgements of specific contributions to your research. •   Maintaining formal language, complete sentences and a professional tone to give specific and thorough information about contributions and convey collegial gratitude. •   Expressing respect and appreciation in an appropriate fashion for each and every contribution and avoiding artificial or excessive flattery. •   Using the complete names and preferred name formats for individuals, funding agencies, libraries, businesses and other organisations. Here, for example, I posit that the library holding the relevant manuscript has indicated that the name of the collection (lengthy though it is) should not be abbreviated. •   Acknowledging contributions to your research and paper in the order that best represents the nature and importance of those contributions. The assistance of the author’s mentor comes first here, for instance, whereas the language editor is acknowledged much further down the list. •   Meeting the requirements for acknowledgements set by the journal or other publisher of the research paper. For the example below, the goal is to record all relevant contributions to the research and paper in a single brief Acknowledgements section of 500 words or less – a set of parameters that would suit the acknowledgement requirements or expectations of many academic and scientific journals and even fit into a footnote or endnote if necessary.

Example Acknowledgements for an Academic Research Paper This paper and the research behind it would not have been possible without the exceptional support of my supervisor, Lawrence Magister. His enthusiasm, knowledge and exacting attention to detail have been an inspiration and kept my work on track from my first encounter with the log books of British Naval Ships MS VII.2.77 to the final draft of this paper. Margaret Kempis and Matthew Brown, my colleagues at Western University, have also looked over my transcriptions and answered with unfailing patience numerous questions about the language and hands of British Naval Ships MS VII.2.77. Samantha McKenzie, head librarian of the Southern Region Central Collegiate Library Special Collections and Microfilms Department where British Naval Ships MS VII.2.77 currently resides, not only provided colour images of the manuscript overnight, but unexpectedly shared the invaluable information on the book that she has been gathering for almost twenty years. I am also grateful for the insightful comments offered by the anonymous peer reviewers at Books & Texts. The generosity and expertise of one and all have improved this study in innumerable ways and saved me from many errors; those that inevitably remain are entirely my own responsibility.

Studying British Naval Ships MS VII.2.77 has proved extremely costly and I am most thankful for the Western University Doctoral Fellowship that has provided financial support for the larger project from which this paper grew. A travel grant from the Literary Society of the Southern Region turned the hope of working in person with British Naval Ships MS VII.2.77 into a reality, and the generous offer of free accommodation from Ms McKay (Samantha McKenzie’s aunt) allowed me to continue my research with the book much longer than I could have hoped. The final design of the complicated transcription tables in Appendices I–III is the creative and technical work of Sam Stone at A+AcaSciTables.com, and the language and format of the paper have benefited enormously from the academic editing services of Veronica Perfect. Finally, it is with true pleasure that I acknowledge the contributions of my amazing partner, Kendric James, who has given up many a Friday evening and Sunday afternoon to read every version of this paper and the responses it has generated with a combination of compassion and criticism that only he could muster for what he fondly calls ‘my odd obsession with books about the sea.’

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How to Draft the Acknowledgment Section of a Manuscript

What is the Purpose of the Acknowledgements Section in a Research Paper?

The acknowledgment section is an integral part of all academic research papers. It provides appropriate recognition to all contributors for their hard work. We discuss here,  the relevant guidelines for acknowledging contributors.

Defining Who Is Acknowledged

The acknowledgment section helps identify the contributors responsible for specific parts of the project. It can include:

• Non-authors (colleagues, friends, supervisor, etc.)
• Funding sources
• Editing services ,
• Administrative staff

In academic writing, the information presented in the acknowledgment section should be kept brief. It should only mention people directly involved with the project. In other words, one should not consider thanking ones’ parents for moral and financial support.

Acknowledging contributors is necessary. However, you must know the difference between an author and a contributor . The International Committee of Medical Journal Editors ( ICMJE ) defines four criteria to assign authorship.

He or she has to have

• Made substantial conceptual or design contributions or gathered and analyzed important data, and
• Either helped draft or critically revise the paper in keeping with important intellectual content, and
• Provided final approval before publishing, and
• Agreed to be accountable for the accuracy of the work

These authors and their affiliations will be listed at the beginning of the paper. The “corresponding author” will also be listed a second time and will directly correspond with the journal to ensure documentation requirements are met.

Many journals now ask that you provide the role of each author in your acknowledgment section. For example, a typical statement of authors’ contributions might be as follows (note that only last names are used unless ambiguous):

Smith conducted the data analysis and created the tables and figures. Jones provided his technological expertise for GIS tracking. Johnson provided a factual review and helped edit the manuscript.

This type of acknowledgment provides your reader with a good sense of who was responsible for each part of your research and manuscript.

Non-Author Contributors

There are many people involved in a research project who are not authors but have provided valuable contributions. For example, one person’s responsibility might be to seek project funding; another’s might be to supervise laboratory staff. A few others might have provided valuable services such as technical editing and writing or offering help in reviewing and revising the manuscript for grammar and syntax. These people should also be mentioned in the acknowledgment section of your manuscript.

Acknowledgment should also be provided  for  writing assistance, technical editing, language editing, and proofreading . Therefore, editing companies need to be duly acknowledged in professionally edited manuscripts as per the  ICMJE guidelines.

It is necessary to acknowledge editing companies in professionally edited manuscripts, even though these companies are paid for their work.

Acknowledgment Format

Unlike the main body of your paper, the format for your acknowledgment section can be more personal. It is permissible to use personal pronouns in this section. For example,

I thank the following individuals for their expertise and assistance throughout all aspects of our study and for their help in writing the manuscript.

Keep in mind that many guidelines indicate that funding sources be listed separately from the acknowledgment section. In addition, the sources (funding agencies) might have specific guidelines that you must follow. Please be sure to comply with these sources and your author guidelines.

For more information on authors and contributors , read articles on the Enago Academy website.

What types and formats of acknowledgments have you incorporated into your manuscripts? Please share your thoughts in the comments section below. Do you need help with manuscript editing ? Make sure you visit enago.com today!

Thanks!!! This information helped me a lot in finishing my research paper.

This information was very useful for preparing this paper.

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• Acknowledgements for PhD Thesis and Dissertations – Explained
• Doing a PhD

The Purpose of Acknowledgements

The acknowledgement section of a thesis or dissertation is where you recognise and thank those who supported you during your PhD. This can be but is not limited to individuals, institutions or organisations.

Although your acknowledgements will not be used to evaluate your work, it is still an important section of your thesis. This is because it can have a positive (or negative for that matter) influence the perception of your reader before they even reach the main body of your work.

Who Should I Acknowledge?

Acknowledgements for a PhD thesis will typically fall into one of two categories – professional or personal.

Within these categories, who you thank will ultimately be your decision. However, it’s imperative that you pay special attention to the ‘professional’ group. This is because not thanking someone who has played an important role in your studies, whether it be intentional or accidental, will more often than not be seen as a dismissal of their efforts. Not only would this be unfair if they genuinely helped you, but from a certain political aspect, it could also jeopardise any opportunities for future collaborations .

Professional Acknowledgements

This may include, but is not limited to:

• Funding bodies/sponsorship providers
• Supervisors
• Research group and lab assistants
• Research participants
• Proofreaders

Personal Acknowledgements

• Key family members and friends
• Individuals who inspired you or directly influenced your academic journey
• Anyone else who has provided personal support that you would like to mention

It should be noted that certain universities have policies which state only those who have directly supported your work, such as supervisors and professors, should be included in your acknowledgements. Therefore, we strongly recommend that you read your university guidelines before writing this section of your thesis.

How to Write Acknowledgements for PhD Thesis

When producing this section, your writing style can be more informal compared to the rest of your thesis. This includes writing in first person and using more emotive language. Although in most cases you will have complete freedom in how you write this section of your thesis, it is still highly advisable to keep it professional. As mentioned earlier, this is largely because it will be one of the first things your assessors will read, and so it will help set the tone for the rest of your work.

In terms of its structure, acknowledgements are expected to be ordered in a manner that first recognises the most formal support before moving onto the less formal support. In most cases, this follows the same order that we have outlined in the ‘Who Should I Thank’ section.

When thanking professionals, always write out their full name and provide their title. This is because although you may be on a first-name basis with them, those who read your thesis will not. By providing full names and titles, not only do you help ensure clarity, but it could also indirectly contribute to the credibility of your thesis should the individual you’re thanking be well known within your field.

If you intend to include a list of people from one institution or organisation, it is best to list their names in alphabetical order. The exception to this is when a particular individual has been of significant assistance; here, it would be advisable to list them.

How Long Should My Acknowledgements Be?

Acknowledgements vary considerably in length. Some are a single paragraph whilst some continue for up to three pages. The length of your acknowledgement page will mostly depend on the number of individuals you want to recognise.

As a general rule, try to keep your acknowledgements section to a single page. Although there are no word limits, creating a lengthy acknowledgements section dilutes the gratitude you’re trying to express, especially to those who have supported you the most.

Where Should My Acknowledgements Go?

In the vast majority of cases, your acknowledgements should appear directly after your abstract and before your table of contents.

However, we highly advise you to check your university guidelines as a few universities set out their own specific order which they will expect you to follow.

Phrases to Help You Get Started

We appreciate how difficult it can be to truly show how grateful you are to those who have supported you over the years, especially in words.

To help you get started, we’ve provided you with a few examples of sentences that you can complete or draw ideas from.

• I am deeply grateful to XXX…
• I would like to express my sincere gratitude to XXX…
• I would like to offer my special thanks to XXX…
• I would like to extend my sincere thanks to XXX…
• …for their assistance at every stage of the research project.
• …for their insightful comments and suggestions.
• …for their contribution to XXX.
• …for their unwavering support and belief in me.

Thesis Acknowledgement Examples

Below are three PhD thesis acknowledgment samples from which you can draw inspiration. It should be noted that the following have been extracted from theses which are freely available in the public domain. Irrespective of this, references to any individual, department or university have been removed for the sake of privacy.

First and foremost I am extremely grateful to my supervisors, Prof. XXX and Dr. XXX for their invaluable advice, continuous support, and patience during my PhD study. Their immense knowledge and plentiful experience have encouraged me in all the time of my academic research and daily life. I would also like to thank Dr. XXX and Dr. XXX for their technical support on my study. I would like to thank all the members in the XXX. It is their kind help and support that have made my study and life in the UK a wonderful time. Finally, I would like to express my gratitude to my parents, my wife and my children. Without their tremendous understanding and encouragement in the past few years, it would be impossible for me to complete my study.

I would like to thank my supervisors Dr. XXX and Dr. XXX for all their help and advice with this PhD. I would also like to thank my sisters, whom without this would have not been possible. I also appreciate all the support I received from the rest of my family. Lastly, I would like to thank the XXX for the studentship that allowed me to conduct this thesis.

I would like to thank my esteemed supervisor – Dr. XXX for his invaluable supervision, support and tutelage during the course of my PhD degree. My gratitude extends to the Faculty of XXX for the funding opportunity to undertake my studies at the Department of XXX, University of XXX. Additionally, I would like to express gratitude to Dr. XXX for her treasured support which was really influential in shaping my experiment methods and critiquing my results. I also thank Dr. XXX, Dr. XXX, Dr. XXX for their mentorship. I would like to thank my friends, lab mates, colleagues and research team – XXX, XXX, XXX, XXX for a cherished time spent together in the lab, and in social settings. My appreciation also goes out to my family and friends for their encouragement and support all through my studies.

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Dissertation acknowledgments [with examples]

What are dissertation acknowledgements?

What to consider when writing your dissertation acknowledgments, who to thank in your dissertation acknowledgments, what (and what not) to write in your dissertation acknowledgments, good examples of dissertation acknowledgments, a final word on writing dissertation acknowledgments: have fun, frequently asked questions about dissertation acknowledgments, related articles.

While you may be the sole author of your dissertation, there are lots of people who help you through the process—from your formal dissertation advisors to the friends who may have cooked meals so that you could finish your last chapter . Dissertation acknowledgments are a chance to thank everyone who had a hand in the completion of your project.

Dissertation acknowledgments are a brief statement of your gratitude to advisors, professors, peers, family, and friends for their help and expertise.

In this guide, we’ll cover:

• the most important things to consider when you’re writing your dissertation acknowledgments
• who to thank in your dissertation acknowledgments
• what (and what not) to write in your dissertation acknowledgments
• short examples of dissertation acknowledgments

Once you’re at the stage where you’re writing your dissertation acknowledgments, you may be tempted to kick back and relax. After all, the hard part of writing the dissertation itself is over and a list of thanks should be simple to churn out.

However, the acknowledgments are an important part of your overall work and are something that most people who read your dissertation, including prospective employers, will look at.

Tip: The best dissertation acknowledgements are concise, sincere, and memorable.

Approach this part of the process, brief as it may be compared to the long haul of writing the dissertation, with the same high level of care and attention to detail. It’s an explicit and permanent statement of who made a real impact on your work and contributed to your academic success.

Plus, the people you thank are often deeply moved by being included—some even go so far as to frame the acknowledgments. Aim to make yours sincere, memorable and something that people will be touched by.

First things first: who should you include in your dissertation acknowledgments? If you’re not sure who to thank, try the brainstorming technique to generate some ideas. Consider these two approaches:

• Make a list of everyone, both professional and personal, who was involved at any point during your work on your dissertation, and then thin down the list from there.
• Make a list of the pivotal aspects of your process and think about who was involved and how they helped.

As you select the people and groups to include in your dissertation acknowledgments, keep in mind that it’s essential to acknowledge your supervisor and anyone else with a visible connection to your work.

It’s an unfortunate reality that not every supervisor goes above and beyond to provide feedback and guidance to the students they are supposed to supervise. However, leaving them out, even if you personally felt disappointed by their involvement or lack thereof, could be seen as a snub.

You should end up with a fairly short list of people to thank. While being mindful of professional etiquette and personal feelings, be choosy about who makes the final cut since your acknowledgments should be limited to no more than a page.

Now that you have your list of people and groups to thank, it’s time to start writing. Before your first pen or keystroke, however, check your university’s guidelines as your institution may have specific rules around what can and cannot be included.

The standard practice is to begin with the formal and then progress to the informal, so the first people to mention would be:

• supervisors
• committee members
• other professional contacts

Use their full names and titles and go into brief detail about how they contributed to your work.

Once those are done, you can move on to the personal thanks, which can include friends, family, even pets. If you are so inclined, it is also considered appropriate to thank God or make mention of spiritual support.

You may also choose to inject a little humor at this point, but don’t get carried away and definitely don’t include sarcasm or critical comments of any kind, including self-critical ones. Remember that the acknowledgments precede your dissertation, so you want to be taken seriously.

A couple more basics that are essential when creating your acknowledgments:

• Position: Acknowledgments should be placed after the title page and before the abstract.
• Perspective: Write from the first-person perspective and speak in your own voice.

A really good way to get a sense of how to write your own dissertation acknowledgments is to read ones written by others. Notice which ones you respond particularly well to and use them as a model upon which to base your own.

Here are some good examples to help you get started:

I couldn’t have reached this goal without the help of many people in my life. I’d like to take this opportunity to thank them for their support.

First, my sincere thanks to my dissertation committee. The value of their guidance cannot be overstated. Dr. Elaine Gooding and Dr. Matthew Hunter provided much wisdom that helped me chart my course. I couldn’t have asked for a better supervisor than Dr. Fiona Moore, whose knowledge and experience guided me every step of the way.

Next, I’d like to thank my partner, Elliott. Your votes of confidence kept me going when my spirits dipped. I couldn’t have done this without you.

Last but not least, I’d like to acknowledge the emotional support provided by my family and friends. We made it to the top of the mountain! I look forward to celebrating with all of you.

This example is shorter, but still contains the key components:

Several people played a decisive role in my success and I would like to take this opportunity to thank them.

My chair, Dr. Ronald Saulk, provided invaluable support and infinite patience and I am truly grateful for all of his wisdom and guidance. I also owe the entire staff of the Wilhelm Library a debt of gratitude. From tracking down books and arranging for interlibrary loans to keeping the coffee maker in the lobby well-stocked and in good working order, they offered the practical help and kind gestures that made all the difference.

I’d also like to thank my family and God, for always being there for me.

One final piece of advice: enjoy this process. Writing a dissertation doesn’t happen every day, and the opportunity to acknowledge the important people in your life in a published format is as rare as it is wonderful.

What’s more, this part of your dissertation is unlike any other. It’s unbounded by the conventions that apply to the formal work. It’s a chance to really flex some creative muscle and let your personality shine through. So make the most of it and have fun!

In your dissertation acknowledgments, you thank everyone who has contributed to your work or supported you along the way. Who you want to thank is a very personal choice, but you should include your supervisors and anyone else with a visible connection to your work. You may also thank friends, family, and partners.

First, you need to come up with a list of people you want to thank in your dissertation acknowledgments. As a next step, begin with the formal and then progress to the informal, so the first people to mention would be supervisors, mentors, committees, and other professional contacts. Then, you can move on to the personal thanks, which can include friends, family, even pets.

Who you acknowledge in your dissertation is ultimately up to you. You should, however, thank your supervisor and anyone else with a visible connection to your work. Leaving them out, even if you personally felt disappointed by their involvement or lack thereof, could be seen as a snub. In addition, you can thank friends, partners or family.

There are many ways so you can acknowledge your dissertation supervisor. Some examples can be found in this article above. If you need more examples, you can find them here .

While acknowledgments are usually more present in academic theses, they can also be a part of research papers. In academic theses, acknowledgments are usually found at the beginning, somewhere between abstract and introduction. In research papers, acknowledgments are usually found at the end of the paper.

Writing Acknowledgments for Your Research Paper

• Research Process
• Peer Review

In this article, we describe what types of contributions warrant mention in the acknowledgments section of a paper .

Updated on July 8, 2014

In another article , we discuss four criteria that must be met for an individual to qualify for manuscript authorship. In this article, we describe what types of contributions warrant mention in the acknowledgments section of a paper instead. The International Committee of Medical Journal Editors (ICMJE) describes several roles that merit acknowledgment, rather than authorship :

“acquisition of funding; general supervision of a research group or general administrative support; and writing assistance, technical editing, language editing, and proofreading.”

You should also acknowledge direct technical assistance, including help with animals, cells, equipment, patients, procedures, or techniques or provision of data, equipment, reagents, or samples, as well as more indirect assistance via intellectual discussions. Note that all of these contributions are typically more mechanical, indirect, and/or one-dimensional than those of authors. Additionally, some argue that individuals who provided help and could be chosen as a peer reviewer, leading to a potential conflict of interest, should be cited.

In any case, the ICMJE states that contributors may be cited individually or collectively and that their precise contributions should be specified.

e.g., “We thank Dr. X and Dr. Y for performing the surgeries” or “We thank the physicians who performed the surgeries"

Institutional affiliations may or may not be mentioned, depending on the journal's guidelines. Finally, the ICMJE encourages written permission from acknowledged individuals “because acknowledgment may imply endorsement.”

Funding sources should also be mentioned in the acknowledgments section, unless your target journal requires a separate section for this information. Whether the funding was partial or full, relevant grant numbers, and the author(s) who received the funding, if applicable, should be detailed as well. Note that acknowledging grants and fellowships is in fact required by many funding agencies and research institutions.

In contrast, contributions that are not specifically related to your research, including personal encouragement (e.g., by your friends or parents) and very general help (e.g., from a laboratory manager who purchases all supplies for your research group), should not be cited. Additionally, anonymous editors and peer reviewers are usually not thanked in the acknowledgments section; many journals (such as American Physical Society journals ) explicitly discourage this practice because it is difficult to comprehensively acknowledge all anonymous support and because this practice could potentially bias reviewers.

The writing style of acknowledgments sections may vary according to the journal, but generally, these sections are written in the first person and are as succinct as possible. A statement about conflicts of interest, citation of previous publication in poster or abstract form, and other information may also be included in this section, again depending on the journal. As you proceed through revisions for one journal or if you change your target journal, remember to reformat as necessary and to update your acknowledgments if additional help was obtained during the revision, such as with editing or new experiments.

Although an acknowledgments section may be appended to the end of your manuscript or relegated to a footnote, it is not a trivial component. By acknowledging all help received with your research, you are demonstrating your integrity as a researcher, which in turn encourages continued collaboration. You may also be bolstering your colleagues' careers, as being credited in an acknowledgments section is emerging as one of many gauges of a researcher's professional impact beyond citations (see ImpactStory , based on altmetrics ). Furthermore, information about who provided certain data, equipment, protocols, reagents, or samples may be of help to other researchers in your field.

This editing tip has hopefully elucidated what to include in the acknowledgments section of your manuscript and why this section is significant. If you have any comments or questions, please contact us . Best wishes in your research and writing!

Michaela Panter, PhD

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Acknowledgments and References

Acknowledgments.

This usually follows the Discussion and Conclusions sections. Its purpose is to thank all of the people who helped with the research but did not qualify for authorship (check the target journal’s Instructions for Authors for authorship guidelines). Acknowledge anyone who provided intellectual assistance, technical help (including with writing and editing), or special equipment or materials.

TIP: The International Committee of Medical Journal Editors has detailed guidelines on who to list as an author and who to include in the Acknowledgments that are useful for scientists in all fields.

Some journals request that you use this section to provide information about funding by including specific grant numbers and titles. Check your target journal’s instruction for authors for specific instructions. If you need to include funding information, list the name(s) of the funding organization(s) in full, and identify which authors received funding for what.

As references have an important role in many parts of a manuscript, failure to sufficiently cite other work can reduce your chances of being published. Every statement of fact or description of previous findings requires a supporting reference.

TIP: Be sure to cite publications whose results disagree with yours. Not citing conflicting work will make readers wonder whether you are really familiar with the research literature. Citing conflicting work is also a chance to explain why you think your results are different.

It is also important to be concise. You need to meet all the above needs without overwhelming the reader with too many references—only the most relevant and recent articles need to be cited. There is no correct number of references for a manuscript, but be sure to check the journal’s guidelines to see whether it has limits on numbers of references.

TIP: Never cite a publication based on what you have read in a different publication (such as a review), or based only on the publication’s abstract. These may mislead you and readers. Read the publication itself before you cite it, and then check the accuracy of the citation again before submitting your manuscript.

You should reference other work to:

• Establish the origin of ideas

When you refer to an idea or theory, it is important to let your readers know which researcher(s) came up with the idea. By citing publications that have influenced your own work, you give credit to the authors and help others evaluate the importance of particular publications. Acknowledging others’ contributions is also an important ethical principle.

• Justify claims

In a scientific manuscript, all statements must be supported with evidence. This evidence can come from the results of the current research, common knowledge, or from previous publications. A citation after a claim makes it clear which previous study supports the claim.

• Provide a context for your work

By highlighting related works, citations help show how a manuscript fits into the bigger picture of scientific research. When readers understand what previous studies found and what puzzles or controversies your study relates to, they will better understand the meaning of your work.

• Show there is interest your field of research

Citations show that other researchers are performing work similar to your own. Having current citations will help journal editors see that there is a potential audience for your manuscript.

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• Thesis & Dissertation Acknowledgements | Tips & Examples

Thesis & Dissertation Acknowledgements | Tips & Examples

Published on 4 May 2022 by Tegan George . Revised on 4 November 2022.

The acknowledgements section is your opportunity to thank those who have helped and supported you personally and professionally during your thesis or dissertation process.

Thesis or dissertation acknowledgements appear between your title page and abstract  and should be no longer than one page.

In your acknowledgements, it’s okay to use a more informal style than is usually permitted in academic writing , as well as first-person pronouns . Acknowledgements are not considered part of the academic work itself, but rather your chance to write something more personal.

To get started, download our step-by-step template in the format of your choice below. We’ve also included sample sentence starters to help you construct your acknowledgments section from scratch.

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Table of contents

Who to thank in your acknowledgements, how to write acknowledgements, acknowledgements section example, acknowledgements dos and don’ts, frequently asked questions.

Generally, there are two main categories of acknowledgements: professional and personal .

A good first step is to check your university’s guidelines, as they may have rules or preferences about the order, phrasing, or layout of acknowledgements. Some institutions prefer that you keep your acknowledgements strictly professional.

Regardless, it’s usually a good idea to place professional acknowledgements first, followed by any personal ones. You can then proceed by ranking who you’d like to thank from most formal to least.

• Chairs, supervisors, or defence committees
• Funding bodies
• Other academics (e.g., colleagues or cohort members)
• Editors or proofreaders
• Librarians, research/laboratory assistants, or study participants
• Family, friends, or pets

Typically, it’s only necessary to mention people who directly supported you during your thesis or dissertation. However, if you feel that someone like a secondary school physics teacher was a great inspiration on the path to your current research, feel free to include them as well.

Professional acknowledgements

It is crucial to avoid overlooking anyone who helped you professionally as you completed your thesis or dissertation. As a rule of thumb, anyone who directly contributed to your research should be mentioned.

A few things to keep in mind include:

• Even if you feel your chair didn’t help you very much, you should still thank them first to avoid looking like you’re snubbing them.
• Be sure to follow academic conventions, using full names with titles where appropriate.
• If several members of a group or organisation assisted you, mention the collective name only.
• Remember the ethical considerations around anonymised data. If you wish to protect someone’s privacy, use only their first name or a generic identifier (such as ‘the interviewees’).

Personal acknowledgements

There is no need to mention every member of your family or friend group. However, if someone was particularly inspiring or supportive, you may wish to mention them specifically. Many people choose to thank parents, partners, children, friends, and even pets, but you can mention anyone who offered moral support or encouragement, or helped you in a tangible or intangible way.

Some students may wish to dedicate their dissertation to a deceased influential person in their personal life. In this case, it’s okay to mention them first, before any professional acknowledgements.

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After you’ve compiled a list of who you’d like to thank, you can then sort your list into rank order. Separate everyone you listed into ‘major thanks’, ‘big thanks’, and ‘minor thanks’ categories.

• ‘Major thanks’ are given to people who your project would be impossible without. These are often predominantly professional acknowledgements, such as your advisor , chair, and committee, as well as any funders.
• ‘Big thanks’ are an in-between, for those who helped you along the way or helped you grow intellectually, such as classmates, peers, or librarians.
• ‘Minor thanks’ can be a catch-all for everyone else, especially those who offered moral support or encouragement. This can include personal acknowledgements, such as parents, partners, children, friends, or even pets.

How to phrase your acknowledgements

To avoid acknowledgements that sound repetitive or dull, consider changing up your phrasing. Here are some examples of common sentence starters you can use for each category.

Note that you do not need to write any sort of conclusion or summary at the end. You can simply end the acknowledgements with your last thank-you.

Here’s an example of how you can combine the different sentences to write your acknowledgements.

A simple construction consists of a sentence starter (in purple highlight ), followed by the person or entity mentioned (in green highlight ), followed by what you’re thanking them for (in yellow highlight .)

Acknowledgements

Words cannot express my gratitude to my professor and chair of my committee for her invaluable patience and feedback. I also could not have undertaken this journey without my defense committee, who generously provided knowledge and expertise. Additionally, this endeavor would not have been possible without the generous support from the MacArthur Foundation, who financed my research .

I am also grateful to my classmates and cohort members, especially my office mates, for their editing help, late-night feedback sessions, and moral support. Thanks should also go to the librarians, research assistants, and study participants from the university, who impacted and inspired me.

Lastly, I would be remiss in not mentioning my family, especially my parents, spouse, and children. Their belief in me has kept my spirits and motivation high during this process. I would also like to thank my cat for all the entertainment and emotional support.

• Write in first-person, professional language
• Thank your professional contacts first
• Include full names, titles, and roles of professional acknowledgements
• Include personal or intangible supporters, like friends, family, or even pets
• Mention funding bodies and what they funded
• Appropriately anonymise or group research participants or non-individual acknowledgments

Don’t:

• Use informal language or slang
• Go over one page in length
• Mention people who had only a peripheral or minor impact on your work

You may acknowledge God in your thesis or dissertation acknowledgements , but be sure to follow academic convention by also thanking the relevant members of academia, as well as family, colleagues, and friends who helped you.

Yes, it’s important to thank your supervisor(s) in the acknowledgements section of your thesis or dissertation .

Even if you feel your supervisor did not contribute greatly to the final product, you still should acknowledge them, if only for a very brief thank you. If you do not include your supervisor, it may be seen as a snub.

In the acknowledgements of your thesis or dissertation, you should first thank those who helped you academically or professionally, such as your supervisor, funders, and other academics.

Then you can include personal thanks to friends, family members, or anyone else who supported you during the process.

The acknowledgements are generally included at the very beginning of your thesis or dissertation, directly after the title page and before the abstract .

In a thesis or dissertation, the acknowledgements should usually be no longer than one page. There is no minimum length.

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Acknowledgement Letter

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How To Write Acknowledgement For Research Paper

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If you are thinking about How To Write Acknowledgment For Research Paper then you have come to the right place.

An acknowledgement section in a research paper is a place where you can express your gratitude to the people who have helped you with your research. This could include anyone who has provided support , guidance , or assistance during the research process.

For example, you might thank your advisors or professors for their guidance, your colleagues for their collaboration, librarians, lab assistants or a funding agency for their financial support and anyone else who has contributed to your research.

It is common to include an acknowledgement section in the beginning of a research paper, usually after the abstract and before the main body of the paper. The acknowledgement should be brief and to the point, and it is generally written in a formal, professional tone. You should avoid using casual language or personal anecdotes in this section.

The purpose of an acknowledgement is to express your gratitude to the people who have helped you with your research. It is a way to show that you appreciate the support and contributions of others, and it is an opportunity to thank them for their assistance. By including an acknowledgement in your research paper, you demonstrate that you are grateful for the help and support you have received, and you recognize the role that others have played in your research.

Here are some tips for writing an acknowledgement for a research paper:

• Start by thanking the people who have directly supported your research, such as your advisors and colleagues.
• Mention any funding agencies or organizations that provided financial support for your research.
• If you received assistance from librarians or other research staff, be sure to thank them as well.
• If you received help from any other individuals, such as lab assistants or research participants, be sure to include them in your acknowledgement.
• Keep your acknowledgement brief and to the point. You don’t need to go into great detail about the contributions of each person you are thanking.
• Use a formal, professional tone in your acknowledgement. This is not the place for casual language or personal anecdotes.

Here are a few acknowledgement samples for your research paper –

Table of Contents

Acknowledgement For Research Paper Sample

We are deeply grateful to all those who contributed to the success of this research project.

First and foremost, we would like to thank our primary supervisor, [Name], for their guidance, support, and encouragement throughout the entire process. Their mentorship and expertise were invaluable in helping us to shape the direction of our research and to bring our ideas to fruition.

We would also like to express our gratitude to the members of our research team, [Names], who provided valuable input, insights, and assistance at every stage of the project. Their contributions were critical to the success of this research, and we are deeply grateful for their hard work and dedication.

We would also like to thank the organizations and individuals who provided financial support for this research, including [Name] and [Name]. Without their generous contributions, this project would not have been possible.

Finally, we would like to extend our heartfelt thanks to all of the participants in our study, who generously shared their time, experiences, and insights with us. Their willingness to engage with our research was essential to the success of this project, and we are deeply grateful for their participation.

Overall, this research project would not have been possible without the support and contributions of so many people. We are deeply grateful to all of those who helped to make this project a reality, and we hope that our findings will make a meaningful contribution to the field.

Read Also: Get 15+ Acknowledgement Samples

Sample Acknowledgement For Research Paper

The completion of this research project would not have been possible without the contributions and support of many individuals and organizations. We are deeply grateful to all those who played a role in the success of this project.

We would like to thank [Name] for their invaluable input and support throughout the research process. Their insights and expertise were instrumental in shaping the direction of this project.

In addition, we would like to extend our sincere thanks to all of the participants in our study, who generously shared their time, experiences, and insights with us. Their willingness to engage with our research was essential to the success of this project, and we are deeply grateful for their participation.

Small Acknowledgement Sample For Research Paper

We would like to express our sincere gratitude to our advisors, Dr. Spirt Kular and Dr. Sonney Deom, for their invaluable guidance and support throughout the research process. We also wish to thank the XYZ Foundation for their financial support, as well as the librarians at the ABC Library for their assistance in finding the necessary research materials. Finally, we are grateful to all of the research participants who generously gave their time and effort to this project.

You can take the help online paraphrasing tool when crafting an acknowledgment for a research paper. They help you manipulate the formal tone of your text according to your needs and make sure your text stays sincere and relevant.

Using the paraphrase tool , you can express specific appreciation for individual contributions that fit the unique context of the paper. Ultimately, you write an acknowledgment that is as personalized and meaningful as possible.

Note: It’s important to note that the specific language and tone of your acknowledgement will depend on the context and the nature of the contributions made by the individuals or organizations you are thanking. It’s a good idea to be specific and sincere in your appreciation, and to tailor your acknowledgement to the specific contributions that were made.

Conclusion On How To Write Acknowledgement For Research Paper

In conclusion, writing an acknowledgement for a research paper is a crucial step in recognizing the contributions of others to your work. It is a way to show gratitude to those who have provided assistance, support, and guidance throughout the research process. When writing an acknowledgement, it is important to be sincere and specific in thanking those who have helped you. Be sure to mention individuals by name, and specify their roles and contributions.

Additionally, make sure to follow any specific guidelines or requirements for formatting and presenting the acknowledgement in your research paper. By following these tips, you can effectively convey your appreciation and recognition of the help you received while completing your research.

Read Also: Master Thesis Acknowledgement Sample

FAQs On How To Write Acknowledgement For Research Paper

1) What is a good sentence for acknowledgement? Ans: “I appreciate your efforts in completing this project on time.” “I want to acknowledge the hard work and dedication you have shown during this challenging year.” “I am grateful for your support and understanding during this difficult time.” It’s important to note that the specific wording and tone of an acknowledgement will depend on the context and the relationship between the speaker and the person being acknowledged.

2) Is conclusion and acknowledgement same? Ans: The conclusion is the final part of a written work that summarizes the main points and arguments. Acknowledgement is the act of recognizing or thanking someone or something for their contribution. These two things are often used in different contexts and for different purposes.

3) Who should I include in my acknowledgement for a research paper? Ans: It is appropriate to include anyone who has contributed significantly to your research, such as a supervisor, mentor, or colleague. You may also want to thank any individuals or organizations that provided financial or logistical support.

4) How should I structure my acknowledgement for a research paper? Ans: The structure of your acknowledgement will depend on the specific guidelines of the journal or publication you are submitting to. In general, it is common to include a brief paragraph at the beginning of the paper expressing your gratitude to those who have helped with the research. You can then list the names of the individuals or organizations you are thanking, along with a brief description of their contributions.

5) Is it necessary to include an acknowledgement in my research paper? Ans: It is not always required to include an acknowledgement in a research paper, but it is a common practice and can be a good way to show appreciation for the help and support you received during the research process.

6) Can I include personal thanks in my acknowledgement for a research paper? Ans: It is generally acceptable to include personal thanks in your acknowledgement, as long as it is done in a professional and respectful manner. You may want to thank family members or friends who provided emotional support during the research process, but be mindful of maintaining a professional tone and not going into too much detail about personal matters.

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Volume 30, Number 7—July 2024

Highly Pathogenic Avian Influenza A(H5N1) Clade 2.3.4.4b Virus Infection in Domestic Dairy Cattle and Cats, United States, 2024

Suggested citation for this article

We report highly pathogenic avian influenza A(H5N1) virus in dairy cattle and cats in Kansas and Texas, United States, which reflects the continued spread of clade 2.3.4.4b viruses that entered the country in late 2021. Infected cattle experienced nonspecific illness, reduced feed intake and rumination, and an abrupt drop in milk production, but fatal systemic influenza infection developed in domestic cats fed raw (unpasteurized) colostrum and milk from affected cows. Cow-to-cow transmission appears to have occurred because infections were observed in cattle on Michigan, Idaho, and Ohio farms where avian influenza virus–infected cows were transported. Although the US Food and Drug Administration has indicated the commercial milk supply remains safe, the detection of influenza virus in unpasteurized bovine milk is a concern because of potential cross-species transmission. Continued surveillance of highly pathogenic avian influenza viruses in domestic production animals is needed to prevent cross-species and mammal-to-mammal transmission.

Highly pathogenic avian influenza (HPAI) viruses pose a threat to wild birds and poultry globally, and HPAI H5N1 viruses are of even greater concern because of their frequent spillover into mammals. In late 2021, the Eurasian strain of H5N1 (clade 2.3.4.4b) was detected in North America ( 1 , 2 ) and initiated an outbreak that continued into 2024. Spillover detections and deaths from this clade have been reported in both terrestrial and marine mammals in the United States ( 3 , 4 ). The detection of HPAI H5N1 clade 2.3.4.4b virus in severe cases of human disease in Ecuador ( 5 ) and Chile ( 6 ) raises further concerns regarding the pandemic potential of specific HPAI viruses.

In February 2024, veterinarians were alerted to a syndrome occurring in lactating dairy cattle in the panhandle region of northern Texas. Nonspecific illness accompanied by reduced feed intake and rumination and an abrupt drop in milk production developed in affected animals. The milk from most affected cows had a thickened, creamy yellow appearance similar to colostrum. On affected farms, incidence appeared to peak 4–6 days after the first animals were affected and then tapered off within 10–14 days; afterward, most animals were slowly returned to regular milking. Clinical signs were commonly reported in multiparous cows during middle to late lactation; ≈10%–15% illness and minimal death of cattle were observed on affected farms. Initial submissions of blood, urine, feces, milk, and nasal swab samples and postmortem tissues to regional diagnostic laboratories did not reveal a consistent, specific cause for reduced milk production. Milk cultures were often negative, and serum chemistry testing showed mildly increased aspartate aminotransferase, gamma-glutamyl transferase, creatinine kinase, and bilirubin values, whereas complete blood counts showed variable anemia and leukocytopenia.

In early March 2024, similar clinical cases were reported in dairy cattle in southwestern Kansas and northeastern New Mexico; deaths of wild birds and domestic cats were also observed within affected sites in the Texas panhandle. In > 1 dairy farms in Texas, deaths occurred in domestic cats fed raw colostrum and milk from sick cows that were in the hospital parlor. Antemortem clinical signs in affected cats were depressed mental state, stiff body movements, ataxia, blindness, circling, and copious oculonasal discharge. Neurologic exams of affected cats revealed the absence of menace reflexes and pupillary light responses with a weak blink response.

On March 21, 2024, milk, serum, and fresh and fixed tissue samples from cattle located in affected dairies in Texas and 2 deceased cats from an affected Texas dairy farm were received at the Iowa State University Veterinary Diagnostic Laboratory (ISUVDL; Ames, IA, USA). The next day, similar sets of samples were received from cattle located in affected dairies in Kansas. Milk and tissue samples from cattle and tissue samples from the cats tested positive for influenza A virus (IAV) by screening PCR, which was confirmed and characterized as HPAI H5N1 virus by the US Department of Agriculture National Veterinary Services Laboratory. Detection led to an initial press release by the US Department of Agriculture Animal and Plant Health Inspection Service on March 25, 2024, confirming HPAI virus in dairy cattle ( 7 ). We report the characterizations performed at the ISUVDL for HPAI H5N1 viruses infecting cattle and cats in Kansas and Texas.

Materials and Methods

Milk samples (cases 2–5) and fresh and formalin-fixed tissues (cases 1, 3–5) from dairy cattle were received at the ISUVDL from Texas on March 21 and from Kansas on March 22, 2024. The cattle exhibited nonspecific illness and reduced lactation, as described previously. The tissue samples for diagnostic testing came from 3 cows that were euthanized and 3 that died naturally; all postmortem examinations were performed on the premises of affected farms.

The bodies of 2 adult domestic shorthaired cats from a north Texas dairy farm were received at the ISUVDL for a complete postmortem examination on March 21, 2024. The cats were found dead with no apparent signs of injury and were from a resident population of ≈24 domestic cats that had been fed milk from sick cows. Clinical disease in cows on that farm was first noted on March 16; the cats became sick on March 17, and several cats died in a cluster during March 19–20. In total, >50% of the cats at that dairy became ill and died. We collected cerebrum, cerebellum, eye, lung, heart, spleen, liver, lymph node, and kidney tissue samples from the cats and placed them in 10% neutral-buffered formalin for histopathology.

At ISUVDL, we trimmed, embedded in paraffin, and processed formalin-fixed tissues from affected cattle and cats for hematoxylin/eosin staining and histologic evaluation. For immunohistochemistry (IHC), we prepared 4-µm–thick sections from paraffin-embedded tissues, placed them on Superfrost Plus slides (VWR, https://www.vwr.com ), and dried them for 20 minutes at 60°C. We used a Ventana Discovery Ultra IHC/ISH research platform (Roche, https://www.roche.com ) for deparaffinization until and including counterstaining. We obtained all products except the primary antibody from Roche. Automated deparaffination was followed by enzymatic digestion with protease 1 for 8 minutes at 37°C and endogenous peroxidase blocking. We obtained the primary influenza A virus antibody from the hybridoma cell line H16-L10–4R5 (ATCC, https://www.atcc.org ) and diluted at 1:100 in Discovery PSS diluent; we incubated sections with antibody for 32 minutes at room temperature. Next, we incubated the sections with a hapten-labeled conjugate, Discovery anti-mouse HQ, for 16 minutes at 37°C followed by a 16-minute incubation with the horse radish peroxidase conjugate, Discovery anti-HQ HRP. We used a ChromoMap DAB kit for antigen visualization, followed by counterstaining with hematoxylin and then bluing. Positive controls were sections of IAV-positive swine lung. Negative controls were sections of brain, lung, and eyes from cats not infected with IAV.

We diluted milk samples 1:3 vol/vol in phosphate buffered saline, pH 7.4 (Gibco/Thermo Fisher Scientific, https://www.thermofisher.com ) by mixing 1 unit volume of milk and 3 unit volumes of phosphate buffered saline. We prepared 10% homogenates of mammary glands, brains, lungs, spleens, and lymph nodes in Earle’s balanced salt solution (Sigma-Aldrich, https://www.sigmaaldrich.com ). Processing was not necessary for ocular fluid, rumen content, or serum samples. After processing, we extracted samples according to a National Animal Health Laboratory Network (NAHLN) protocol that had 2 NAHLN-approved deviations for ISUVDL consisting of the MagMax Viral RNA Isolation Kit for 100 µL sample volumes and a Kingfisher Flex instrument (both Thermo Fisher Scientific).

We performed real-time reverse transcription PCR (rRT-PCR) by using an NAHLN-approved assay with 1 deviation, which was the VetMAX-Gold SIV Detection kit (Thermo Fisher Scientific), to screen for the presence of IAV RNA. We tested samples along with the VetMAX XENO Internal Positive Control to monitor the possible presence of PCR inhibitors. Each rRT-PCR 96-well plate had 2 positive amplification controls, 2 negative amplification controls, 1 positive extraction control, and 1 negative extraction control. We ran the rRT-PCR on an ABI 7500 Fast thermocycler and analyzed data with Design and Analysis Software 2.7.0 (both Thermo Fisher Scientific). We considered samples with cycle threshold (Ct) values <40.0 to be positive for virus.

After the screening rRT-PCR, we analyzed IAV RNA–positive samples for the H5 subtype and H5 clade 2.3.4.4b by using the same RNA extraction and NAHLN-approved rRT-PCR protocols as described previously, according to standard operating procedures. We performed PCR on the ABI 7500 Fast thermocycler by using appropriate controls to detect H5-specific IAV. We considered samples with Ct values <40.0 to be positive for the IAV H5 subtype.

We conducted genomic sequencing of 2 milk samples from infected dairy cattle from Texas and 2 tissue samples (lung and brain) from cats that died at a different Texas dairy. We subjected the whole-genome sequencing data to bioinformatics analysis to assemble the 8 different IAV segment sequences according to previously described methods ( 8 ). We used the hemagglutinin (HA) and neuraminidase (NA) sequences for phylogenetic analysis. We obtained reference sequences for the HA and NA segments of IAV H5 clade 2.3.4.4 from publicly available databases, including GISAID ( https://www.gisaid.org ) and GenBank. We aligned the sequences by using MAFFT version 7.520 software ( https://mafft.cbrc.jp/alignment/server/index.html ) to create multiple sequence alignments for subsequent phylogenetic analysis. We used IQTree2 ( https://github.com/iqtree/iqtree2 ) to construct the phylogenetic tree from the aligned sequences. The software was configured to automatically identify the optimal substitution model by using the ModelFinder Plus option, ensuring the selection of the most suitable model for the dataset and, thereby, improving the accuracy of the reconstructed tree. We visualized the resulting phylogenetic tree by using iTOL ( https://itol.embl.de ), a web-based platform for interactive tree exploration and annotation.

Gross Lesions in Cows and Cats

All cows were in good body condition with adequate rumen fill and no external indications of disease. Postmortem examinations of the affected dairy cows revealed firm mammary glands typical of mastitis; however, mammary gland lesions were not consistent. Two cows that were acutely ill before postmortem examination had grossly normal milk and no abnormal mammary gland lesions. The gastrointestinal tract of some cows had small abomasal ulcers and shallow linear erosions of the intestines, but those observations were also not consistent in all animals. The colon contents were brown and sticky, suggesting moderate dehydration. The feces contained feed particles that appeared to have undergone minimal ruminal fermentation. The rumen contents had normal color and appearance but appeared to have undergone minimal fermentation.

The 2 adult cats (1 intact male, 1 intact female) received at the ISUVDL were in adequate body and postmortem condition. External examination was unremarkable. Mild hemorrhages were observed in the subcutaneous tissues over the dorsal skull, and multifocal meningeal hemorrhages were observed in the cerebrums of both cats. The gastrointestinal tracts were empty, and no other gross lesions were observed.

Microscopic Lesions in Cows and Cats

Figure 1 . Mammary gland lesions in cattle in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. A, B) Mammary gland...

The chief microscopic lesion observed in affected cows was moderate acute multifocal neutrophilic mastitis ( Figure 1 ); however, mammary glands were not received from every cow. Three cows had mild neutrophilic or lymphocytic hepatitis. Because they were adult cattle, other observed microscopic lesions (e.g., mild lymphoplasmacytic interstitial nephritis and mild to moderate lymphocytic abomasitis) were presumed to be nonspecific, age-related changes. We did not observe major lesions in the other evaluated tissues. We performed IHC for IAV antigen on all evaluated tissues; the only tissues with positive immunoreactivity were mastitic mammary glands from 2 cows that showed nuclear and cytoplasmic labeling of alveolar epithelial cells and cells within lumina ( Figure 1 ) and multifocal germinal centers within a lymph node from 1 cow ( Table 1 ).

Figure 2 . Lesions in cat tissues in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Tissue sections were stained with...

Both cats had microscopic lesions consistent with severe systemic virus infection, including severe subacute multifocal necrotizing and lymphocytic meningoencephalitis with vasculitis and neuronal necrosis, moderate subacute multifocal necrotizing and lymphocytic interstitial pneumonia, moderate to severe subacute multifocal necrotizing and lymphohistiocytic myocarditis, and moderate subacute multifocal lymphoplasmacytic chorioretinitis with ganglion cell necrosis and attenuation of the internal plexiform and nuclear layers ( Table 2 ; Figure 2 ). We performed IHC for IAV antigen on multiple tissues (brain, eye, lung, heart, spleen, liver, and kidney). We detected positive IAV immunoreactivity in brain (intracytoplasmic, intranuclear, and axonal immunolabeling of neurons), lung, and heart, and multifocal and segmental immunoreactivity within all layers of the retina ( Figure 2 ).

PCR Data from Cows and Cats

We tested various samples from 8 clinically affected mature dairy cows by IAV screening and H5 subtype-specific PCR ( Table 3 ). Milk and mammary gland homogenates consistently showed low Ct values: 12.3–16.9 by IAV screening PCR, 17.6–23.1 by H5 subtype PCR, and 14.7–20.0 by H5 2.3.4.4 clade PCR (case 1, cow 1; case 2, cows 1 and 2; case 3, cow 1; and case 4, cow 1). We forwarded the samples to the National Veterinary Services Laboratory, which confirmed the virus was an HPAI H5N1 virus strain.

When available, we also tested tissue homogenates (e.g., lung, spleen, and lymph nodes), ocular fluid, and rumen contents from 6 cows by IAV and H5 subtype-specific PCR ( Table 3 ). However, the PCR findings were not consistent. For example, the tissue homogenates and ocular fluid tested positive in some but not all cows. In case 5, cow 1, the milk sample tested negative by IAV screening PCR, but the spleen homogenate tested positive by IAV screening, H5 subtype, and H5 2.3.4.4 PCR. For 2 cows (case 3, cow 1; and case 4, cow 1) that had both milk and rumen contents available, both samples tested positive for IAV. Nevertheless, all IAV-positive nonmammary gland tissue homogenates, ocular fluid, and rumen contents had markedly elevated Ct values in contrast to the low Ct values for milk and mammary gland homogenate samples.

We tested brain and lung samples from the 2 cats (case 6, cats 1 and 2) by IAV screening and H5 subtype-specific PCR ( Table 3 ). Both sample types were positive by IAV screening PCR; Ct values were 9.9–13.5 for brain and 17.4–24.4 for lung samples, indicating high amounts of virus nucleic acid in those samples. The H5 subtype and H5 2.3.4.4 PCR results were also positive for the brain and lung samples; Ct values were consistent with the IAV screening PCR ( Table 3 ).

Phylogenetic Analyses

We assembled the sequences of all 8 segments of the HPAI viruses from both cow milk and cat tissue samples. We used the hemagglutinin (HA) and neuraminidase (NA) sequences specifically for phylogenetic analysis to delineate the clade of the HA gene and subtype of the NA gene.

Figure 3 . Phylogenetic analysis of hemagglutinin gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate different...

For HA gene analysis, both HA sequences derived from cow milk samples exhibited a high degree of similarity, sharing 99.88% nucleotide identity, whereas the 2 HA sequences from cat tissue samples showed complete identity at 100%. The HA sequences from the milk samples had 99.94% nucleotide identities with HA sequences from the cat tissues, resulting in a distinct subcluster comprising all 4 HA sequences, which clustered together with other H5N1 viruses belonging to clade 2.3.4.4b ( Figure 3 ). The HA sequences were deposited in GenBank (accession nos. PP599465 [case 2, cow 1], PP599473 [case 2, cow 2], PP692142 [case 6, cat 1], and PP692195 [case 6, cat 2]).

Figure 4 . Phylogenetic analysis of neuraminidase gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate different...

For NA gene analysis, the 2 NA sequences obtained from cow milk samples showed 99.93% nucleotide identity. Moreover, the NA sequences derived from the milk samples exhibited complete nucleotide identities (100%) with those from the cat tissues. The 4 NA sequences were grouped within the N1 subtype of HPAI viruses ( Figure 4 ). The NA sequences were deposited in GenBank (accession nos. PP599467 [case 2, cow 1], PP599475 [case 2, cow 2], PP692144 [case 6, cat 1], and PP692197 [case 6, cat 2]).

This case series differs from most previous reports of IAV infection in bovids, which indicated cattle were inapparently infected or resistant to infection ( 9 ). We describe an H5N1 strain of IAV in dairy cattle that resulted in apparent systemic illness, reduced milk production, and abundant virus shedding in milk. The magnitude of this finding is further emphasized by the high death rate (≈50%) of cats on farm premises that were fed raw colostrum and milk from affected cows; clinical disease and lesions developed that were consistent with previous reports of H5N1 infection in cats presumably derived from consuming infected wild birds ( 10 – 12 ). Although exposure to and consumption of dead wild birds cannot be completely ruled out for the cats described in this report, the known consumption of unpasteurized milk and colostrum from infected cows and the high amount of virus nucleic acid within the milk make milk and colostrum consumption a likely route of exposure. Therefore, our findings suggest cross-species mammal-to-mammal transmission of HPAI H5N1 virus and raise new concerns regarding the potential for virus spread within mammal populations. Horizontal transmission of HPAI H5N1 virus has been previously demonstrated in experimentally infected cats ( 13 ) and ferrets ( 14 ) and is suspected to account for large dieoffs observed during natural outbreaks in mink ( 15 ) and sea lions ( 16 ). Future experimental studies of HPAI H5N1 virus in dairy cattle should seek to confirm cross-species transmission to cats and potentially other mammals.

Clinical IAV infection in cattle has been infrequently reported in the published literature. The first report occurred in Japan in 1949, where a short course of disease with pyrexia, anorexia, nasal discharge, pneumonia, and decreased lactation developed in cattle ( 17 ). In 1997, a similar condition occurred in dairy cows in southwest England leading to a sporadic drop in milk production ( 18 ), and IAV seroconversion was later associated with reduced milk yield and respiratory disease ( 19 – 21 ). Rising antibody titers against human-origin influenza A viruses (H1N1 and H3N2) were later again reported in dairy cattle in England, which led to an acute fall in milk production during October 2005–March 2006 ( 22 ). Limited reports of IAV isolation from cattle exist; most reports occurred during the 1960s and 1970s in Hungary and in the former Soviet Union, where H3N2 was recovered from cattle experiencing respiratory disease ( 9 , 23 ). Direct detection of IAV in milk and the potential transmission from cattle to cats through feeding of unpasteurized milk has not been previously reported.

An IAV-associated drop in milk production in dairy cattle appears to have occurred during > 4 distinct periods and within 3 widely separated geographic areas: 1949 in Japan ( 17 ), 1997–1998 and 2005–2006 in Europe ( 19 , 21 ), and 2024 in the United States (this report). The sporadic occurrence of clinical disease in dairy cattle worldwide might be the result of changes in subclinical infection rates and the presence or absence of sufficient baseline IAV antibodies in cattle to prevent infection. Milk IgG, lactoferrin, and conglutinin have also been suggested as host factors that might reduce susceptibility of bovids to IAV infection ( 9 ). Contemporary estimates of the seroprevalence of IAV antibodies in US cattle are not well described in the published literature. One retrospective serologic survey in the United States in the late 1990s showed 27% of serum samples had positive antibody titers and 31% had low-positive titers for IAV H1 subtype-specific antigen in cattle with no evidence of clinical infections ( 24 ). Antibody titers for H5 subtype-specific antigen have not been reported in US cattle.

The susceptibility of domestic cats to HPAI H5N1 is well-documented globally ( 10 – 12 , 25 – 28 ), and infection often results in neurologic signs in affected felids and other terrestrial mammals ( 4 ). Most cases in cats result from consuming infected wild birds or contaminated poultry products ( 12 , 27 ). The incubation period in cats is short; clinical disease is often observed 2–3 days after infection ( 28 ). Brain tissue has been suggested as the best diagnostic sample to confirm HPAI virus infection in cats ( 10 ), and our results support that finding. One unique finding in the cats from this report is the presence of blindness and microscopic lesions of chorioretinitis. Those results suggest that further investigation into potential ocular manifestations of HPAI H5N1 virus infection in cats might be warranted.

The genomic sequencing and subsequent analysis of clinical samples from both bovine and feline sources provided considerable insights. The HA and NA sequences derived from both bovine milk and cat tissue samples from different Texas farms had a notable degree of similarity. Those findings strongly suggest a shared origin for the viruses detected in the dairy cattle and cat tissues. Further research, case series investigations, and surveillance data are needed to better understand and inform measures to curtail the clinical effects, shedding, and spread of HPAI viruses among mammals. Although pasteurization of commercial milk mitigates risks for transmission to humans, a 2019 US consumer study showed that 4.4% of adults consumed raw milk > 1 time during the previous year ( 29 ), indicating a need for public awareness of the potential presence of HPAI H5N1 viruses in raw milk.

Ingestion of feed contaminated with feces from wild birds infected with HPAI virus is presumed to be the most likely initial source of infection in the dairy farms. Although the exact source of the virus is unknown, migratory birds (Anseriformes and Charadriiformes) are likely sources because the Texas panhandle region lies in the Central Flyway, and those birds are the main natural reservoir for avian influenza viruses ( 30 ). HPAI H5N1 viruses are well adapted to domestic ducks and geese, and ducks appear to be a major reservoir ( 31 ); however, terns have also emerged as an important source of virus spread ( 32 ). The mode of transmission among infected cattle is also unknown; however, horizontal transmission has been suggested because disease developed in resident cattle herds in Michigan, Idaho, and Ohio farms that received infected cattle from the affected regions, and those cattle tested positive for HPAI H5N1 ( 33 ). Experimental studies are needed to decipher the transmission routes and pathogenesis (e.g., replication sites and movement) of the virus within infected cattle.

In conclusion, we showed that dairy cattle are susceptible to infection with HPAI H5N1 virus and can shed virus in milk and, therefore, might potentially transmit infection to other mammals via unpasteurized milk. A reduction in milk production and vague systemic illness were the most commonly reported clinical signs in affected cows, but neurologic signs and death rapidly developed in affected domestic cats. HPAI virus infection should be considered in dairy cattle when an unexpected and unexplained abrupt drop in feed intake and milk production occurs and for cats when rapid onset of neurologic signs and blindness develop. The recurring nature of global HPAI H5N1 virus outbreaks and detection of spillover events in a broad host range is concerning and suggests increasing virus adaptation in mammals. Surveillance of HPAI viruses in domestic production animals, including cattle, is needed to elucidate influenza virus evolution and ecology and prevent cross-species transmission.

Dr. Burrough is a professor and diagnostic pathologist at the Iowa State University College of Veterinary Medicine and Veterinary Diagnostic Laboratory. His research focuses on infectious diseases of livestock with an emphasis on swine.

Acknowledgment

We thank the faculty and staff at the ISUVDL who contributed to the processing and analysis of clinical samples in this investigation, the veterinarians involved with clinical assessments at affected dairies and various conference calls in the days before diagnostic submissions that ultimately led to the detection of HPAI virus in the cattle, and the US Department of Agriculture National Veterinary Services Laboratory and NAHLN for their roles and assistance in providing their expertise, confirmatory diagnostic support, and communications surrounding the HPAI virus cases impacting lactating dairy cattle.

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• Figure 1 . Mammary gland lesions in cattle in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. A, B) Mammary...
• Figure 2 . Lesions in cat tissues in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Tissue sections were stained...
• Figure 3 . Phylogenetic analysis of hemagglutinin gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate...
• Figure 4 . Phylogenetic analysis of neuraminidase gene sequences in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Colors indicate...
• Table 1 . Microscopic lesions observed in cattle in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024
• Table 2 . Microscopic lesions observed in cats in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024
• Table 3 . PCR results from various specimens in study of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024

Suggested citation for this article : Burrough ER, Magstadt DR, Petersen B, Timmermans SJ, Gauger PC, Zhang J, et al. Highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infection in domestic dairy cattle and cats, United States, 2024. Emerg Infect Dis. 2024 Jul [ date cited ]. https://doi.org/10.3201/eid3007.240508

DOI: 10.3201/eid3007.240508

Original Publication Date: April 29, 2024

Table of Contents – Volume 30, Number 7—July 2024

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Eric R. Burrough, Iowa State University Veterinary Diagnostic Laboratory, 1937 Christensen Dr, Ames, IA 50011, USA

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