Effect of consecutive calving and date of lactation on milk performance of cows under loose housing system
1991
Zaczek, M. (Instytut Zootechniki, Krakow (Poland))
Studies on 12 herds of Black-and-White cows were carried out. A highly significant effect of calving season on the daily milk production throughout the whole lactation as well as a highly significant effect of parity number on the milk performance in early and late lactation were stated
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