(formerly Tropical Journal of Animal Science)

Focus and Scope

The Nigerian Journal of Animal Science (NJAS) is an official publication of the Animal Science Association of Nigeria (ASAN) that is published twice a year in two issues.The Journal publishes carefully peer-reviewed original research articles on various farm and laboratory animals covering diverse areas such as production, management, health, physiology, nutrition, feeds and feedstuff, breeding and genetics, reproduction, animal products, biotechnology, socio-economics, extension, farming systems and crop/livestock interactions within the context of sustainable livestock production among others.  Review articles should cover new development in a field of livestock production.

Editorial Policy

Submission of a paper will be taken to imply that the material has not been previously published or is being considered for publication elsewhere. Conference papers may however, be upgraded after conforming to journal guidelines. NJAS does not necessarily subscribe to the opinions or conclusions expressed by authors however; copyright of all published material rests with the journal. The Journal does not expressly guarantee nor warrant the standard of any product mentioned neither does it imply approval of any product to the exclusion of others which may also be suitable. Trade and brand names are used only for information purposes.


Manuscripts should be processed with Times New Roman of font size 12, double-spaced and line numbered using A4 size paper.The sequence of organization of manuscripts should generally include: Title of the paper, surname followed by initials, address (es) of the author (s), e-mail and phone number of correspondence author, followed by Target audience (below the address), Abstract, Keywords, Description of Problem, Materials and Method, Results and Discussion (separated or combined), Conclusions and Applications, Acknowledgement (if any), References, Tables and Figures.Pages of manuscripts should be serially numbered using Arabic numerals.


Format of the Manuscript

Title:This should be concise, specific and describe the content of the paper.

Author(s) Name(s) and Address (es):

Author (s) name (s) and initials should be provided (e.g. Adeoye T.A., Omotosho, M.O and Dairo, F.A.S).  Address of all the authors should be provided while the corresponding author should be identified and his or her e-mail contact given.

Target audience
The target or primary audience to benefit from the report should be stated.

This should be brief and informative, giving an account of the scope of the paper, as well as highlighting the principal findings and conclusions in not more than 200 words. Abstract of a review and general interest article should highlight the new ideas the article is reporting.

Key words
These should consist of 4 -6 words with each word separated by semicolon.

Description of Problem
This heading should be used instead of introduction and should start the main body of the paper after the abstract.  It should include a brief statement of the problems and clear description of the justification, aims and objectives of the investigation.

Materials and Method
The materials and method should be clearly stated in a way to permit the reproducibility of the work by other researchers.  The experimental design and statistical tools used should be clearly described. The measurement instruments and tools used for independent and dependent variables should be stated.  However, known methods should only be referenced while new techniques and /or modifications to known methods should be described in detail.

Results and Discussion
This Section should contain the observed results and their interpretations.  Results should be adequately described using tables, figures, chart, graphse.t.c. Tables should be numbered in Arabic numerals. Where descriptive subheadings are used, they should be italicized and should precede all major paragraphs.Discussion of results must specifically show how the findings of the work address the problem(s) and objectives stated at the onset of study. 

Conclusions and Applications
This section should contain the inferences drawn from the results of the study and its application by the target audience.  The conclusion should be in numerical form, i.e. 1, 2, 3 etc.  They should be listed in an outline form.

Author(s) may wish to state their appreciation to individuals or agencies or Institutions that contributed in one way or the other to the report.

References cited in the text should be indicated by numbers in brackets, i.e., (1) or (2) or (3) e.t.c. without stating the name(s) of the author(s).  All references cited should be listed in the reference section in the order in which they were cited in the text followed by the surnames, initials, year of publication, title, medium of publication, journal volume and the first and last page in that order.

For example,
1. Olusola, O.O., Abunwune, R.N and Adeshola, A.T (2017). Quality evaluation of kilishi, an intermediate moisture meat product sold in Zaria metropolis, Nigeria. Nigerian Journal of Animal Science, 19 (2): 271-279. 

2.  Salami, R. I and Odunsi, A.A (2017). Growth performance of broiler starter chickens fed varying levels of fibre and energy in multi-fibre source-based diets. Nigerian Journal of Animal Science,19 (2) 83-93.

3.  Steel G. D. and Torrie, J.H (1981).   Principles and Procedures of Statistics (2nd edition). McGraw-Hill Book Company inc New York.

Tables and Figures
All accompanying tables, figures or photographs should be numbered and cited sequentially in the text however; each table should be on a separate page.  When preparing tables, the title should be lower case letters (except the first letter). Avoid horizontal and vertical lines within the tables. Insert Table option should be used to prepare tables instead of preparing tables manually. The illustrations (as minimal as possible) must be very sharp and clearly defined. Legends should not be on the photographic illustrations but should be typed on a separate page accompanying the figures. Graphs should be prepared in clear reproducible camera-ready forms of printing.


Manuscript Submissions

The Nigerian Journal Animal Science prefers to receive submission of articles electronically.  Interested authors may submit manuscript and accompanying materials to
A cover letter addressed to Editor-in-Chief NJAS must accompany each submission.  The cover letter should provide the corresponding author’s full name and contact information, including the preferred mailing address, e-mail address and mobile telephone numbers.


Peer Review and Publication Process

Two or more experts will review all original manuscripts submitted for publication using the blind review option before a decision is taken. However, manuscripts that do not conform to the guidelines will be promptly returned. Authors will be notified within one to two months on the status of their paper either accepted, revision requests or rejection. All accepted manuscripts are further subjected to editing and abridgment. Corresponding authors are responsible for action on peer reviewers’ comments and concerns and staff editing. Corresponding authors will receive galley proofs of edited manuscripts for review and comment before publication.

Mailing Address

Editorial Office, ASAN National Secretariat, No. 27, Acme Road, Agindingbi, Ikeja, Lagos.


Principal Contact

Professor A.A. Odunsi
c/o Editorial Office, ASAN National Secretariat, No. 27, Acme Road, Agindingbi, Ikeja, Lagos
All correspondence should be directed to the Editor-in-Chief at:


Support Contacts


Prof Odunsi A.A
Department of Animal Nutrition and Biotechnology
Ladoke Akintola University of Technology,
Ogbomoso, Oyo State, Nigeria


Deputy Editor-in-Chief:

Dr D.J.U Kalla
Department of Animal Production
Abubakar Tafawa Balewa University,
PMB 0248, Bauchi, Bauchi State, Nigeria


Editorial Board

Professor (Mrs) Tuleun Comfort Dooshima - Chairman
Professor  Adeyinka A Odunsi - Editor-in-Chief
Dr Demo KallaJoabUsman - Deputy Editor-in-Chief
Dr. Tolulope O. Ososanya - Member


ISSN: 1119-4308

Subscription Rates

Within Nigeria (Postage Inclusive)
  • Individuals -   $25   p. a.

  • Institutions -   $40 p. a.

Outside Nigeria (Postage Inclusive)
  • Individuals -   $50.00    p. a.

  • Institutions -   $100  p. a.



All Payments should be made as detailed below:
Account Name: Animal Science Association of Nigeria
Bank Name: Guaranty Trust Bank (GTB) Branch Ogba, Lagos
Account No: 0009669674.


Copyright Notice

Copy right of all published material rests with the Nigerian Journal of Animal Science.


Privacy Statement

The names and email addresses entered in this journal site will be used exclusively for the stated purposes of this journal and will not be made available for any other purpose or to any other party.



Animal Science Association of Nigeria (ASAN)

ISSN: 1119-4308



This is to inform all ASAN stakeholders that spaces have been provided for advertisement placement on NJAS journal at affordable rates. For more information, contact:

Professor A.A. Odunsi
c/o Editorial Office, ASAN National Secretariat, No. 27, Acme Road, Agindingbi, Ikeja, Lagos
All correspondence should be directed to the Editor-in-Chief at: Tel: 08033949449