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PSX-33 Late-Breaking Abstract: Productive longevity of Holstein cows and causes of their replacement
One of the main ways to increase the milk production of cows and extend the terms of their use is targeted breeding work. Currently, the long-term economic use of cows on average in Kazakhstan is 3.2 lactations. Thus, cows do not live up to 4–6 lactation, when the highest productivity is manifested...
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| 出版年: | J Anim Sci |
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| 主要な著者: | , , , , , |
| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
Oxford University Press
2020
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7702471/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/jas/skaa278.629 |
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