TY JOUR TI PROLACTIN GENE POLYMORPHISM IN THE DAIRY CATTLE POPULATION OF THE OMSK REGION KW prolactin KW genotype KW frequency of occurrence KW dairy cattle KW selection KW population JO Bulletin of KSAU AU Ivanova, I.P. AU Trotsenko, I.V. AU Kabickaya, Y.A. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University