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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Эту запись предоставил Institute of Agricultural Economics