TY JOUR TI ASSESSMENT OF THE METABOLIC STATE OF METABOLISM IN HOLSTEIN COWS USING MILK BIOMARKERS KW Holstein breed KW milk KW milk yield KW fat percentage KW protein percentage KW urea level KW molar concentration of beta-hydroxybutyrate KW acetone JO Bulletin of KSAU AU Karlikova, G.G. AU Sermyagin, A.A. AU Lashneva, I.A. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University