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Impact of Seasons and Extenders on Quality and Freezability of Surti Buffalo Bull Semen under Middle Gujarat Climate

Dinesh V Chaudhari, Kamlesh K Hadiy, Jagdish A Patel, Arjun J Dhami.


Abstract

A study was conducted to evaluate the seasonal influence (peak winter and summer) and the efficacy of three extenders (egg yolk based TFYG extender and egg yolk free soya bean based commercial extenders Optixcell and Andromed) on quality and freezability of Surti buffalo bull semen in middle Gujarat. Semen ejaculates (6/bull/season, total 36) revealed mean ejaculate volume 3.23±0.18 ml, sperm concentration 963.06±64.74 million/ml, progressive motility 79.94±0.83 %, live sperm 83.67±0.62 %, abnormal sperm 7.69±0.41 %, and sperm with intact plasma membrane 83.19±0.75 % and intact acrosome 94.92±0.24 %. Only the progressive sperm motility (80.56±0.98 vs. 73.33±0.57 %) and HOST (85.33±0.81 vs 81.06±1.07 %) were significantly (p

Key words: Buffalo bull, Season, Semen quality, Freezability, Post thaw longevity, Gujarat climate






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