TY JOUR TI INFLUENCE OF THE HOLSTEIN COWS GENOTYPE FOR THE RESULTS OF INSEMINATION KW genotype KW insemination KW line KW heifer KW delivery KW calving KW fecundity JO Bulletin Samara State Agricultural Academy AU Baymishev, K.B. AU Uskova, I.V. AU Kitaeva, S.A. PY 2017 IS 2 PB Samara State Agrarian University