TY JOUR TI REPRODUCTIVE ABILITY OF COWS WITH DIFFERENT GENOTYPES OF DAIRY GENES KW kappa-casein KW fat content KW gen KW reproductive capacity. JO Vestnik of Kazan State Agrarian University AU Sibagatullin , F.. AU Shaydullin, R.R. AU Ganiev, A.S. AU Faizov, T.. PY 2015 IS 10 PB Kazan state agrarian University