Abstract:
In many areas of the world there are numerous factors involving feeding, management and marketing of sheep which make it necessary to attempt to alter or extend their breeding season. Reports of variation in the time of onset and duration of the breeding season of ewes indicate that genetic, as well as several environmental factors, may affect her breeding behavior. This report has been prepared in an attempt to summarize a portion of the literature pertaining to the influencing factors of breed and strain, age, light, temperature, nutrition, hormones and the psychological effects of the ram.
Keywords:
breeding ewes, sheep science
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