TY JOUR TI THE STUDY OF UNEVEN DEVELOPMENT OF THE UDDER QUARTERS OF THE ANIMAL KW milking machine KW milking robot KW mastitis KW milking KW milk KW quarter development KW dry milking KW udder index KW milking speed JO Vestnik of Kazan State Agrarian University AU Kashapov, I.I. AU Ziganshin, B.G. AU Tsoy, Y.. AU Lukmanov, R.R. AU Fokin, A.. PY 2020 IS 15 PB Kazan state agrarian University