TY JOUR TI MORPHOLOGICAL AND BIOCHEMICAL STATUS OF DRY COWS' BLOOD WHEN USING A FEED ADDITIVE BASED ON THE ENZYME-PROBIOTIC PREPARATION PROFORTical status of blood of dry cows when using a feed additive based on the enzyme-probiotic preparation "Profort" KW enzyme-probiotic preparation KW Profort KW black-and-white Holstein breed KW cows KW dry period KW morphological and biochemical blood parameters JO Bulletin of KSAU AU Afanasyeva, A.I. AU Sarychev, V.A. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University