Improvement of milk yield of Red-and-White cattle by crossing with Swedish Red-and-White and Finish Ayrshire bulls
1987
Cieslar, P. (Instytut Zootechniki, Grodziec Slaski (Poland). Zootechniczny Zaklad Doswiadczalny)
In the experiment, carried out with 300 Red-and-White cows, the milk yield as well as milking ability in the 1st, 2nd and 3rd lactation had been determined. The milk yield and fat and protein content in milk of crossbred cows was higher than those of Polish Red-and-White cows. The crossbreds were characterized by a better milking ability
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书目信息
出版者
Panstwowe Wydawnictwo Naukowe
其它主题
Teneur en proteines; Contenido de lipidos; Suecia/ toro; Suede/ taureau
语言
抛光
注释
Summaries (En, Ru)
类型
Conference; Summary
来源
Some problems of milk production intensification, Polska Akademia Nauk, Warszawa (Poland). Wydzial Nauk Rolniczych i Lesnych.- Warszawa (Poland): Panstwowe Wydawnictwo Naukowe, 1987. p. 63-66
粮农组织大会
50th Conference of Polish Zootechnician Society, Krakow (Poland), 18-20 Sep 1985
1989-08-15
AGRIS AP