TY JOUR TI The genotypic composition of the herd of black-motley breed and phenotypic characteristic in connection with Holsteinization KW black-motley breed KW Holstein breed KW crossbreeds KW genotype KW alleles KW gene pool KW genetic markers KW antigen KW blood KW blood shares. JO Agrarian Bulletin of the AU Anisimova, E.I. AU Katmakov, P.S. PY 2020 IS 193 PB Ural State Agrarian University