Fertility of Polish Merino ewes in group mating system
1991
Dankowski, A. | Rutkowska, A. | Pauka, M. (Akademia Techniczno-Rolnicza, Bydgoszcz (Poland))
Data of fertility of 5200 ewes were analysed. The group mating system in breeding seasons was used. The pregnancy in 12.6 percent of ewes during the first 10 days of breeding season and in 77 percent of ewes till 30th day of breeding season was obtained
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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