TY JOUR TI METHODOLOGICAL APPROACHES TO SUBSTANTIATION OF RATIONAL PLACEMENT AND DEEPENING SPECIALIZATION OF DAIRY CATTLE BREEDING IN A REGION WITH EXTREME NATURAL CONDITIONS KW region KW milk and dairy products KW milk production KW milk consumption KW economic efficiency JO Socio-economic and humanitarian magazine AU Koval, A.N. AU Kolesnyak, A.A. AU Bulygina, S.A. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University