Characteristic of lactation activity of lebedynskaja breed cows of the J. S. C. "Sad"

L M. Khmelnychy, A. N. Salogub, S. V. Burnatnyy

There are shown data of evaluation of cows genofond herd of Lebedynskaja breed on indexes which characterises lactations activity. Established level of hereditary of the variability of fat, protein, lactose end dry substance in milk in dynamics of monthly course in frameworks of calculation lactations. Researches is the optimal method of the index estimation lactations activity which allow to establish individual and group features of cows on its character.

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