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
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书目信息
Zeszyty Naukowe Akademii Techniczno-Rolniczej w Bydgoszczy. Zootechnika (Poland)
期
177
ISSN
0208-6352
页码
pp. 23-26
其它主题
Methode d'accouplement/ race; Sistemas de apareamiento/ razas
语言
抛光
注释
10 ref. Summaries (En, Ru)
类型
Summary
1992-08-15
AGRIS AP
