Milk performance of crossbreds of Lowland Black-and-White cows with three-breed bulls
1985
Mielnik, J. (Akademia Rolniczo-Techniczna, Olsztyn (Poland). Inst. Produkcji Zwierzecej) | Goszczynski, J. | Stambrowski, M.
Results of tests presented in the paper constitute an attempt to estimate milk performance of primipara cows, progeny of Black-and-White dams and three-breed (Jersey x Holstein-Friesian x Red Danish) sires. The crossbreds distinguished themselves with higher milk performance and higher fat and protein content as compared with their contemporaries of the Black-and-White breed. The body weight of cows approximates to 470 kg
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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