Allelic diversity of beta- and kappa-caseins in Holstein cattle of the Sverdlovsk region
https://doi.org/10.32634/0869-8155-2025-393-04-101-107
Abstract
Caseins are important components of milk that determine its texture, flavour and nutritional value. Milk protein polymorphism studies indicate that the B allele of beta-casein contributes to high quality milk, while the BB genotype of kappa-casein is associated with higher milk protein content, improved coagulation properties and higher yields of hard and semi-hard cheeses.
In the present study, beta- and kappa-casein genotypes were determined on AGP Bovine 150K and Bovine 50K DNA chips in 523 and 607 individuals, respectively.
The data obtained were tested for the Hardy-Weinberg law using Pearson’s concordance criterion. As a result, the prevalence of beta- and kappa-casein genotypes of Holstein cattle in the Sverdlovsk region was studied.
The most common beta-casein genotypes were A1A2, A2A2 and A1A1, which account for 90% of the analysed herd. The AA, AB and AE kappa-casein genotypes accounted for more than 80% of the genotyped individuals, while the BB, BE and EE genotypes accounted for less than 20%. The results obtained are consistent with data from other regions.
Supporting agencies: The study was conducted within the framework of the state assignment of the Ministry of Agriculture of the Russian Federation (registration No. 124061300024-1).
About the Authors
P. S. Bogatova
Ural State Agrarian University
Russian Federation
Russian Federation
Polina Sergeevna Bogatova, Postgraduate Student, Research Assistant of the Laboratory of Molecular and Biological Research
42 Karl Liebknecht Str., Yekaterinburg, 620075
O. E. Lihodeevskaya
Ural State Agrarian University
Russian Federation
Russian Federation
Oksana Evgenievna Lihodeevskaya, Candidate of Science in Biology, Associate Professor, Head of the Laboratory of Molecular and Biological Research
42 Karl Liebknecht Str., Yekaterinburg, 620075
G. A. Lihodeevskiy
Ural State Agrarian University
Russian Federation
Russian Federation
Georgiy Aleksandrovich Lihodeevskiy, Postgraduate Student, Research Assistant of the Laboratory of Molecular and Biological Research
42 Karl Liebknecht Str., Yekaterinburg, 620075
O. G. Loretts
Ural State Agrarian University
Russian Federation
Russian Federation
Olga Gennadievna Loretts, Doctor of Biological Sciences, Professor, Department of Biotechnology and Food Products
42 Karl Liebknecht Str., Yekaterinburg, 620075
A. S. Zulaeva
Ural State Agrarian University
Russian Federation
Russian Federation
Alexandra Sergeevna Zulaeva, Lecturer of the Department of Zooengineering
42 Karl Liebknecht Str., Yekaterinburg, 620075
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Review
For citations:
Bogatova P.S., Lihodeevskaya O.E., Lihodeevskiy G.A., Loretts O.G., Zulaeva A.S. Allelic diversity of beta- and kappa-caseins in Holstein cattle of the Sverdlovsk region. Agrarian science. 2025;1(4):101-107. (In Russ.) https://doi.org/10.32634/0869-8155-2025-393-04-101-107
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