TY JOUR TI THE SELECTION-GENETIC INDICATORS OF COWS MILK EFFICIENCY IN THE YENISEI TYPE RED AND MOTLEY BREED KW yield of milk KW lactation KW variability coefficient KW fat mass fraction KW milk fat amount KW protein mass fraction JO Bulletin of KSAU AU Alekseeva, E.A. PY 2014 IS PB Krasnoyarsk State Agrarian University