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September 10, 2025Bulletin of NSAU (Novosibirsk State Agrarian University)Open Access

Influence of complex genotypes of CSN2/CSN3 genes on economically useful traits of holmogor cows

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Authors

NKN. A. KhudyakovaIKI. S. KozhevnikovaASAlexandra Olegovna Stupina

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Overview

Molecular analysis reveals associations between csn2/csn3 genotypes and milk productivity traits in Kholmogorsk cows, suggesting genetic insights on breeding.

Key Points

  • Cows with A2A2/AA genotype exhibited the highest milk yield and protein levels, showcasing significant genetic influence.
  • The prevalent genotype was A1A2/AA, comprising 41.15% of the herd, while A1A1/BB was least common with fewer than 2.5% of individuals.
  • Analysis utilized allele-specific PCR and restriction fragment length polymorphism to assess genetic variations in beta-casein and kappa-casein.
  • Findings highlight a novel correlation between complex genotypes of dairy genes and dairy productivity, warranting further genetic research.

Cite This Study

Khudyakova et al. (2025) studied this question.

synapsesocial.com/papers/68c1bd4854b1d3bfb60eee36https://doi.org/10.31677/2072-6724-2025-75-2-254-262
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