TY JOUR TI FEEDING EFFECT ON BLOOD BIOCHEMICAL STATUS AND MILK QUALITY IN APC "TAVOLZHAN" IN THE TYUMEN REGION KW feeding KW productivity KW blood KW milk KW protein nutrition KW urea. JO Bulletin of KSAU AU Ivanova, I.E. AU Hamidullina, A.S. AU Ivanova, A.S. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University