TY JOUR TI INFLUENCE OF THE EXPERIMENTAL FOOD ADDITIVE ON BIODIVERSITY OF THE CICATRICIAL MICROFLORA OF DAILY COWS KW cow KW feed KW digestion KW microbiota KW sequencing KW DNA KW metagen JO Vestnik of Kazan State Agrarian University AU Krupin, E.O. AU Tagirov, M.S. PY 2018 IS 13 PB Kazan state agrarian University