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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Bibliografiske detaljer
Udgivet i:J Anim Sci
Main Authors: Abylgazinova, Aizhan, Shamshidin, Alzhan, Yesseyeva, Gainiya, Serikbaeva, Aliya, Ayupova, Almagul, Tilepova, Assel
Format: Artigo
Sprog:Inglês
Udgivet: Oxford University Press 2020
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Abstracts
Online adgang: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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