Association of the complex of polymorphic variants of the DGAT1, GH, PRL and BLG, genes with dairy productivity indicators of holstein dairy cattle cows of domestic selection
https://doi.org/10.31043/2410-2733-2023-1-74-83
Abstract
The paper presents the results of studying the associated effect of complex genotypes for the genes diacylglycerol O-acyl transferase 1 (DGAT1), somatotropin (GH), prolactin (PRL) and beta-lactoglobulin (BLG) on the milk productivity of Holstein dairy cattle of domestic selection. The object of research was cattle and biological material (ear pluck) from cows of Holstein dairy cattle of domestic selection, contained in the agricultural production cooperative named after I.P. Senko, Grodno region. DNA genotyping of animals for the genes of diacylglycerol O-acyl transferase 1 (DGAT1), somatotropin (GH), prolactin (PRL), and beta-lactoglobulin (BLG) was performed using the polymerase chain reaction (PCR) method and restriction fragment length polymorphism ( RFLP). The results of studies on the assessment of the associated effect of complex genotypes for the genes diacylglycerol O-acyl transferase 1 (DGAT1), somatotropin (GH), prolactin (PRL) and beta-lactoglobulin (BLG) on the milk productivity of Holstein cows of dairy cattle domestic selection showed that in terms of the mass fraction of fat and the amount of milk fat in milk, in most cases, the highest rates were in animals with the complex genotype DGAT1ККGHLLPRLAABLGAB.
About the Authors
A. Mikhaliuk
Grodno State Agrarian University
Belarus
Belarus
Mikhaliuk A. – PhD (Biol. Sci.)
230008, Grodno, Tereshkova Street, 28
L. Tanana
Grodno State Agrarian University
Belarus
Belarus
Tanana L. – Dr. Habil. (Agr. Sci.); professor
230008, Grodno, Tereshkova Street, 28
T. Kuzmina
Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L. K. Ernst Federal Research Center for Animal Husbandry
Russian Federation
Russian Federation
Kuzmina T. – Dr. Habil. (Biol. Sci.); professor
196625, St. Petersburg, pos. Terolevo, Moskovskoye Shosse, d. 55a
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Review
For citations:
Mikhaliuk A., Tanana L., Kuzmina T. Association of the complex of polymorphic variants of the DGAT1, GH, PRL and BLG, genes with dairy productivity indicators of holstein dairy cattle cows of domestic selection. Genetics and breeding of animals. 2023;(1):74-83. (In Russ.) https://doi.org/10.31043/2410-2733-2023-1-74-83
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