SEASONAL VARIATIONS IN SEMINAL CHARACTERISTICS OF WEST AFRICAN DWARF SHEEP IN THE HUMID TROPICS

Authors

  • J. U. AKPOKODJE University of Ibadan, Ibadan, Nigeria
  • T. I. DEDE University of Ibadan, Ibadan, Nigeria
  • P. I. ODILI University of Ibadan, Ibadan, Nigeria

DOI:

https://doi.org/10.51791/njap.v15i.956

Keywords:

Seminal characteristics, seasonal effects, Ejaculate concentration, progressive mobility

Abstract

Semen collected from six mature West African Dwarf (WAD) rams by artificial Vagina, twice weekly for one year, early and late rainy season, and early and late dry season, showed no significant difference in volume of ejaculate and progressive motility of sperm. There was significant difference in sperm concentration, total sperm per ejaculate, total motile sperm per ejaculate and abnormal sperm. Seasonal changes in characteristics of the semen were associated with seasonal changes in temperature, indicating the detrimental effects of heat, even on indigenous stock.

Author Biographies

  • J. U. AKPOKODJE, University of Ibadan, Ibadan, Nigeria

    Department of Veterinary Surgery and Reproduction,

  • T. I. DEDE, University of Ibadan, Ibadan, Nigeria

    Department of Animal Science

  • P. I. ODILI, University of Ibadan, Ibadan, Nigeria

    Department of Animal Science

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Published

2021-01-05

Issue

Vol. 15 (1988)

Section

Articles

How to Cite

SEASONAL VARIATIONS IN SEMINAL CHARACTERISTICS OF WEST AFRICAN DWARF SHEEP IN THE HUMID TROPICS. (2021). Nigerian Journal of Animal Production, 15, 43-47. https://doi.org/10.51791/njap.v15i.956