УДК 636.2.034:636.08.003:636.018:591.5
ETHOLOGICAL SELECTION AND MILK PRODUCTIVITY IN COWS
A.G. Kudrin, S.A. Gavrilin
On cows of the Red-and-White and Black-and-White breeds the authors investigated the correlation between ethological indices of food, motion and total activity and the indices of milk productivity.
Key words: cows, ethological indexes, milking capacity.
ФГОУ ВПО Мичуринский государственный |
Поступила в редакцию |
