Аграрный вестник Урала № 07 (86) 2011

Животноводство

INFLUENCE OF ENVIRONMENTAL FACTORS TO LIFETIME YIELD ECONOMIC AND DURATION OF COWS.

The assessment of the impact of such
factors as the intensity razdoya heifers, age of
manifestation of highest lactation live weight
of heifers, duration of service period on the
productive longevity of Red Steppe cattle
breed and its crossbreds with Holstein and
Angler bulls. Identified environmental factors
that significantly affect the lifetime and yield of
many years of use cows. 

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Keywords:

cows, productive longevity, intensity razdoya heifers, age manifestation of highest lactation, live weight heifers, duration of service period.

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