THE ANALYSIS OF PRODUCTIVITY OF THE FIRST–BORN COWS OF HOLSTEIN BREED ACCORDING TO THE AGE OF THEIR FERTILE INSEMINATION AND LIVE WEIGHT
The Holstein cow breed is one of the best breeds for dairy farming. However, the effective use of this breed has not been studied, especially the economically useful features of cows. The purpose of the study was to investigate the parameters of dairy productivity of the first-born cows at different...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Zhytomyr National Agroecological University
2020-05-01
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Series: | Наукові горизонти |
Subjects: | |
Online Access: | http://www.journal.znau.edu.ua/horizons/article/view/420/418 |