%0 Journal Article %T THE USE OF DIFFERENT SELECTION METHODS FOR IMPROVING THE HERD OF BLACK-AND-MOTLEY CATTLE IN BREEDING FACTORY %A Sheveleva, O.. %A Svyazhenina, M.A. %A Smirnova, T.N. %K black-and-motley breed, selection, breeding efficiency. %J Bulletin of KSAU %D 2021 %N 0 %P 6 %I Krasnoyarsk State Agrarian University