%0 Journal Article %T Characteristics of bulls with different genotypes of the OLR gene according to the productivity of female ancestors %A Lamara, M.. %A Ahmetov, T.M. %A Tyulkin, S.V. %A Sadriev, A.R. %A Zarubezhnova, D.V. %K bull, PCR, DNA, genotype, gene OLR1, milk production %J Agrobiotechnologies and digital farming %D 2024 %N 2 %P 4 %I Kazan state agrarian University