Journal of Veterinary Medicine and Animal Health
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Article Number - D09095364794


Vol.9(7), pp. 143-148 , July 2017
DOI: 10.5897/JVMAH2017.0553
ISSN: 2141-2529



Full Length Research Paper

Sonographic evidence of follicle development in a fixed time AI synchronization protocol involving ovatide in Bunaji cows



Ubah Simon Azubuike
  • Ubah Simon Azubuike
  • Department of Theriogenology, Faculty of Veterinary Medicine, University of Abuja, Nigeria.
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Rekwot Peter Ibrahim
  • Rekwot Peter Ibrahim
  • Artificial Insemination Unit, National Animal Production Research Institute, Shika, Zaria, Kadanu State, Nigeria.
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Adewuyi Abdulmujeeb Bode
  • Adewuyi Abdulmujeeb Bode
  • Artificial Insemination Unit, National Animal Production Research Institute, Shika, Zaria, Kadanu State, Nigeria.
  • Google Scholar
Ababa James Andrew
  • Ababa James Andrew
  • Veterinary Teaching Hospital, ABU Zaria, Kaduna State, Nigeria.
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Mustapha Rashidah Abimbola
  • Mustapha Rashidah Abimbola
  • Department of Theriogenology and Production, Ahmadu Bello University, Zaria, Kadanu State, Nigeria.
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 Received: 27 January 2017  Accepted: 21 February 2017  Published: 31 July 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


An investigation was done to observe follicle development and ovulation by ultrasound in a synchronization protocol in Bunaji cows using ovatide. Cows (n=16), aged 4 to 6 years with average body condition scores of 2.5 to 3.5 and weighing between 250 and 350 kg were used. They were managed according to the routine management practice of the Diary Research Programme NAPRI. Only cycling cows at 75 days post-partum with palpable CL were included in the study. Cows were randomly assigned to 1 or 2 treatment groups for synchronization of ovulation. Treatment group 1 comprising Bunaji (n=8) received 50 µg of GnRH and 25 mg of PGF. While, treatment group 2 comprising Bunaji (n=8) received 50 µg of ovatide and 25 mg of PGF. The treatment was as follows: Group 1: (Day 0, 50 µg GnRH; Day 7, 25 mg PGF and day 9, 50 µg GnRH), group 2: (Day 0, 50 µg ovatide, Day 7, 25 mg PGFand Day 9, 50 µg ovatide). Ultrasound examinations were conducted. Examinations were conducted at the time of second gonadotropin injections, to determine presence of one or more antral follicles > 10 mm in diameter and at 48h after second gonadotropin injections, to determine absence of 1 (single – ovulation) or 2 (double – ovulation) of those earlier antral follicles. Results showed synchronization rate for ovatide was 75%, while that of GnRH (Cystorellin) was 62.5% (p>0.05). Double ovulation rate for both groups was 0%. It was concluded that 50 µg Ovatide in Ovsynh protocol has synchronization potentials in Bunaji cows.  Further studies on gonadotropins of fish origin are recommended.

 

Key words: Ovatide, follicle, sonographic, synchronization, Bunaji, cows.

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APA Ubah, S. A., Rekwot, P. I., Adewuyi, A. B., Ababa, J. A., & Mustapha, R. A. (2017). Sonographic evidence of follicle development in a fixed time AI synchronization protocol involving ovatide in Bunaji cows. Journal of Veterinary Medicine and Animal Health, 9(7), 143-148.
Chicago Ubah Simon Azubuike, Rekwot Peter Ibrahim, Adewuyi Abdulmujeeb Bode, Ababa James Andrew and Mustapha RashidahAbimbola. "Sonographic evidence of follicle development in a fixed time AI synchronization protocol involving ovatide in Bunaji cows." Journal of Veterinary Medicine and Animal Health 9, no. 7 (2017): 143-148.
MLA Ubah Simon Azubuike, et al. "Sonographic evidence of follicle development in a fixed time AI synchronization protocol involving ovatide in Bunaji cows." Journal of Veterinary Medicine and Animal Health 9.7 (2017): 143-148.
   
DOI 10.5897/JVMAH2017.0553
URL http://academicjournals.org/journal/JVMAH/article-abstract/D09095364794

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