Testosterone in yak bull seminal plasma and its correlation with physical characteristics of semen
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Authors
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D HAZARIKA
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
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S SARMA
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
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P CHAKRAVARTY
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
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D J KALITA
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
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J GOSWAMI
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
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B C DEKA
Assam Agricultural University, Khanapara, Guwahati, Asom 781022 India
Keywords:
Correlation, Radioimmunoassay (RIA), Semen, Testosterone, Yak.Abstract
Studies were conducted to estimate testosterone concentration in seminal plasma and its correlation with some seminal characteristics of yak semen. The colour of semen varied from milky white to creamy. The average mean values for ejaculate volume, initial sperm motility, sperm concentration, pH, live sperm and testosterone were 2.83±0.08 ml, 71.5±0.57 %, 1182.5±3.23 million/ ml, 6.34±0.02, 80.05±0.74 % and 1.82±0.08 ng/ml respectively. Significant positive correlation existed between testosterone concentration in seminal plasma with initial sperm motility and live sperm count. The present study revealed that an increase in the levels of testosterone in seminal plasma enhanced certain qualitative parameters (initial sperm motility and live sperm) of yak semen during winter.
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References
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