%0 Journal Article %T effect of k -casein genotypes on milk yield in second-generation dairy cattle %A Khudyakova, N.A. %A Kudrina, M.A. %A Klassen, I.A. %K cattle, Kholmogorskaya breed, kappa-casein, k-casein, genotype, gene, dairy productivity, polymorphism %J Dairy industry %D 2024 %N 0 %P 5 %I Kemerovo State University