The effect of immunogenetic factors on productive longevity and reproductive qualities of cows
Increasing the productive longevity of cows with high reproductive ability is an urgent task in dairy cattle breeding both in Russia and foreign countries. Research was conducted in Krasnoyarsk region. The object was retired cows (n = 484). The blood groups of cows, indicators of productive longevit...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2020-01-01
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Series: | BIO Web of Conferences |
Online Access: | https://www.bio-conferences.org/articles/bioconf/full_html/2020/11/bioconf_fies-20_00072/bioconf_fies-20_00072.html |