TY JOUR TI THE LEPTIN GENE EFFECT ON THE CATTLE ECONOMIC USE DURATION KW longevity KW LEP KW cattle KW polymorphism KW gene KW genotype KW A80V KW Y7F KW R25C JO Bulletin of KSAU AU Khudyakova, N.A. AU Kozhevnikova, I.S. AU Kudrina, M.A. AU Stupina, A.O. AU Klassen, I.A. AU Shchipakova, E.N. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University