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Seasonal variations in physico-biochemical determinants of buffalo (Bos bubalis) semen and their relation to fertility

Published online by Cambridge University Press:  27 March 2009

K. C. Chaudhary  and
P. C. Gangwar
K. C. Chaudhary
Affiliation:
Department of Animal Science, Punjab Agricultural University, Ludhiana-141004, India
P. C. Gangwar
Affiliation:
Department of Animal Science, Punjab Agricultural University, Ludhiana-141004, India
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Summary

Semen from eight Murrah buffalo bulls was collected and analysed for physical and biochemical determinants throughout the year. Depending upon the climatic conditions, the whole year was divided into four periods. The mean values of volume, density, mass motility and sperm concentration was 1·64 + 0·060 ml, 2·48±0·032 (3-point scale), 2·65±0·069 (5-point scale) and 1185 ±19·2 million/ml, respectively. The mean values of alkaline and acid phosphatases were 1238±47·4 and 1244±54·5 King-Armstrong units (KAU)/100 ml of seminal plasma. Average figures for citric acid, calcium, phosphorus, total nitrogen and non-protein nitrogen (NPN) were 507 + 14·1, 53·0±l·2, 121±4·9, 649±12·8 and 116±2·0 mg/100 ml of seminal plasma. Periods of the year had significant effect on volume, alkaline and acid phosphatases, citric acid and NPN (P < 0·01). Different correlations of physical and biochemical determinants are discussed. Of all the determinants only weight of the bull, sperm concentration and NPN were found to be positively correlated with fertility while phosphorus was negatively correlated.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 89 , Issue 2 , October 1977 , pp. 273 - 277
Copyright
Copyright © Cambridge University Press 1977

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