TY JOUR TI BIOTECHNOLOGICAL METHOD OF DAIRY RAW MATERIAL MODIFICATION TO CREATE SPORTS NUTRITION PRODUCTS KW mare's milk KW selenium KW modification of raw materials KW sports nutrition products JO Bulletin of KSAU AU Mironova, I.V. AU Slinkin, A.A. AU Kanareikina, S.G. AU Krupina, O.V. AU Khabibullin, I.M. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University