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Seasonal fluctuations in the sexual activity of Awassi, German Mutton Merino, Corriedale, Border-Leicester and Dorset Horn rams:I. Seasonal changes in semen plasma volume and its fructose and citric acid concentrations

Published online by Cambridge University Press:  27 March 2009

D. Amir  and
R. Volcani
D. Amir
Affiliation:
The National and University Institute of Agriculture, Rehovot, Israel
R. Volcani
Affiliation:
The National and University Institute of Agriculture, Rehovot, Israel
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Extract

The authors of most of the papers dealing with the seasonal breeding of sheep agree that the summer months are the less favourable season for sexual desire of the rams (Moule, 1960), their semen quality (McKenzie & Berliner, 1937; Gunn, Sanders & Granger, 1942; Comstock, Green, Winters & Nordskog, 1943; Phillips, Sohott, Eaton & Simmons, 1943; Sapsford, 1951; Hafez, Badreldin & Darwish, 1955; Cupps et al. 1960; and many others), and for spermatogenesis (Maqsood, 1951; Ortavant & Thibault, 1956).

Type
Research Article
Information
The Journal of Agricultural Science , Volume 64 , Issue 1 , February 1965 , pp. 115 - 120
Copyright
Copyright © Cambridge University Press 1965

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References

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