Fertility of dairy ewes
1997
Laleva, S. | Dzhorbineva, M. (Institut po Govedov"dstvo i Ovtsev"dstvo, Stara Zagora (Bulgaria))
It was found out that: The date of birth and the ewe age influence the number of born lambs.Dams having twins as their first parturition have a greater life fertility compared to those with one lamb.The twins have greater fertility and milk productivity.
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书目信息
页码
pp. 5-7
其它主题
Taux de natalite
语言
保加利亚语
注释
Summaries (En, Ru)
1 ill., 4 tables; 9 ref.
翻译的标题
Plodovitost na ovtse-majki - mlechno napravlenie
类型
Summary
团体作者
Selskostopanska Akademiya, Sofia (Bulgaria)
1998-08-15
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