Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein

The influence of genotypes for kappa-casein gene on the main indicators of milk productivity in the 1st and 3rd lactation in black-and-white and Kholmogory cows was studied. The genotyping of cows for the CSN3 gene was carried out by the method of DNA diagnostics. Cows of the black-and-white breed w...

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Autores principales:	Shaidullin Radik, Zagidullin Lenar, Moskvicheva Anastasia, Khisamov Rifat, Akhmetov Tahir
Formato:	article
Lenguaje:	EN FR
Publicado:	EDP Sciences 2021
Materias:	Microbiology QR1-502 Physiology QP1-981 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/84722982944d4911817ea734bccdaf80
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spelling	oai:doaj.org-article:84722982944d4911817ea734bccdaf802021-11-08T15:17:24ZMilk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein2117-445810.1051/bioconf/20213700167https://doaj.org/article/84722982944d4911817ea734bccdaf802021-01-01T00:00:00Zhttps://www.bio-conferences.org/articles/bioconf/pdf/2021/09/bioconf_fies2021_00167.pdfhttps://doaj.org/toc/2117-4458The influence of genotypes for kappa-casein gene on the main indicators of milk productivity in the 1st and 3rd lactation in black-and-white and Kholmogory cows was studied. The genotyping of cows for the CSN3 gene was carried out by the method of DNA diagnostics. Cows of the black-and-white breed with genotype CSN3 BB surpass the group with genotype CSN3 AA and CSN3 AB in the 1st lactation in milk yield by 166-218 and in milk fat yield by 4.9-8.7 kg; for the 3rd lactation 188-298 kg and 7.7-10.2 kg, respectively. At the same time the difference is significant in terms of the mass fraction of protein in milk by 0.06-0.15% (Р<0.05-0.001) and 0.11-0.15% (Р<0.001) and in the yield of milk protein (Р<0.05) 8.3-14.2 kg and 14.8-16.1 kg (P<0.05). Kholmogory cows have a similar advantage for cattle with genotypes CSN3 AA and CSN3 AB in terms of milk productivity with a significant excess in the mass fraction of protein in milk for the 1st lactation by 0.07-0.14% (Р<0.05-0.001), for the 3rd lactation by 0.08-0.11% (Р<0.05-0.001). Consequently, the black-and-white and Kholmogory breeds have approximately the same level of superiority of cows homozygous for B allele CSN3 over their herdmates.Shaidullin RadikZagidullin LenarMoskvicheva AnastasiaKhisamov RifatAkhmetov TahirEDP SciencesarticleMicrobiologyQR1-502PhysiologyQP1-981ZoologyQL1-991ENFRBIO Web of Conferences, Vol 37, p 00167 (2021)
institution	DOAJ
collection	DOAJ
language	EN FR
topic	Microbiology QR1-502 Physiology QP1-981 Zoology QL1-991
spellingShingle	Microbiology QR1-502 Physiology QP1-981 Zoology QL1-991 Shaidullin Radik Zagidullin Lenar Moskvicheva Anastasia Khisamov Rifat Akhmetov Tahir Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
description	The influence of genotypes for kappa-casein gene on the main indicators of milk productivity in the 1st and 3rd lactation in black-and-white and Kholmogory cows was studied. The genotyping of cows for the CSN3 gene was carried out by the method of DNA diagnostics. Cows of the black-and-white breed with genotype CSN3 BB surpass the group with genotype CSN3 AA and CSN3 AB in the 1st lactation in milk yield by 166-218 and in milk fat yield by 4.9-8.7 kg; for the 3rd lactation 188-298 kg and 7.7-10.2 kg, respectively. At the same time the difference is significant in terms of the mass fraction of protein in milk by 0.06-0.15% (Р<0.05-0.001) and 0.11-0.15% (Р<0.001) and in the yield of milk protein (Р<0.05) 8.3-14.2 kg and 14.8-16.1 kg (P<0.05). Kholmogory cows have a similar advantage for cattle with genotypes CSN3 AA and CSN3 AB in terms of milk productivity with a significant excess in the mass fraction of protein in milk for the 1st lactation by 0.07-0.14% (Р<0.05-0.001), for the 3rd lactation by 0.08-0.11% (Р<0.05-0.001). Consequently, the black-and-white and Kholmogory breeds have approximately the same level of superiority of cows homozygous for B allele CSN3 over their herdmates.
format	article
author	Shaidullin Radik Zagidullin Lenar Moskvicheva Anastasia Khisamov Rifat Akhmetov Tahir
author_facet	Shaidullin Radik Zagidullin Lenar Moskvicheva Anastasia Khisamov Rifat Akhmetov Tahir
author_sort	Shaidullin Radik
title	Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
title_short	Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
title_full	Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
title_fullStr	Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
title_full_unstemmed	Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein
title_sort	milk productivity of black-and-white and kholmogory cows with different genotypes of kappa-casein
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/84722982944d4911817ea734bccdaf80
work_keys_str_mv	AT shaidullinradik milkproductivityofblackandwhiteandkholmogorycowswithdifferentgenotypesofkappacasein AT zagidullinlenar milkproductivityofblackandwhiteandkholmogorycowswithdifferentgenotypesofkappacasein AT moskvichevaanastasia milkproductivityofblackandwhiteandkholmogorycowswithdifferentgenotypesofkappacasein AT khisamovrifat milkproductivityofblackandwhiteandkholmogorycowswithdifferentgenotypesofkappacasein AT akhmetovtahir milkproductivityofblackandwhiteandkholmogorycowswithdifferentgenotypesofkappacasein
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Milk productivity of black-and-white and Kholmogory cows with different genotypes of kappa-casein

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