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INFLUENCE OF THE FIRST FRUITFUL INSEMINATION AGE ON PRODUCTIVE LONGEVITY OF BLACK-AND-MOTLEY HOLSTEINISED COWS

Journal: Science and world (Vol.1, No. 38)

Publication Date:

Authors : ; ;

Page : 72-73

Keywords : dairy cattle breeding; first fruitful insemination; productive longevity;

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Abstract

In this article the influence of the first fruitful insemination age on productive longevity of black-and-motley holsteinised cows is considered.

Last modified: 2017-02-09 16:20:49