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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Bibliografiska uppgifter
I publikationen:J Anim Sci
Huvudupphovsmän: Abylgazinova, Aizhan, Shamshidin, Alzhan, Yesseyeva, Gainiya, Serikbaeva, Aliya, Ayupova, Almagul, Tilepova, Assel
Materialtyp: Artigo
Språk:Inglês
Publicerad: Oxford University Press 2020
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Abstracts
Länkar: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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