Influence of seasons and THI on reproductive performance and invitro assay of semen of Barbari buck under tropical conditions

PRAMOD  KUMAR; S K  MAURYA; GYANENDRA  SINGH; RAJESH  KUMAR; SUSHANT  SRIVASTAVA; P K  MAURYA; M K  VERMA

doi:10.56093/ijans.v95i11.173009

Authors

PRAMOD KUMAR Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
S K MAURYA Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
GYANENDRA SINGH Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
RAJESH KUMAR Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
SUSHANT SRIVASTAVA Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
P K MAURYA Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India
M K VERMA Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya-224 229, India

https://doi.org/10.56093/ijans.v95i11.173009

Keywords:

Barbari bucks, Seasons, Seminal quality parameters, Sexual behavior

Abstract

Temperature fluctuations due to climate change, have important impact on sexual behaviour and seminal attributes. The present study aimed to evaluate the effect of summer and monsoon seasons on the sexual behavior pattern (RT: reaction time and SA: sexual aggressiveness) and seminal characteristics of Barbari bucks (Capra hircus). The semen samples were harvested and evaluated at weekly intervals during summer and monsoon season using standardized methods from Barbari buck (n=6; age 1.5 to 2.5 yrs.). The RT varied considerably from the hot, dry condition of summer to the humid, wet weather of the monsoon, whereas no significant seasonal variation was observed in the SA of Barbary bucks. Significant (P<0.05) improvement was noted in RT (seconds) and the semenrelated parameters during monsoon season as compared to summer season. The temperature-humidity index (THI) and dry bulb temperature did not differ significantly among the study seasons. Significantly higher relative humidity (78.15±0.60 vs 61.17±1.46; P<0.05) and RT (3.25±0.10 vs 2.80±0.11; P<0.05) were observed during the monsoon season as compared to the summer season. In conclusion, Barbari bucks had better seminal quality parameters and reaction time in monsoon seasons than in summer seasons.

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