TY JOUR TI MILK PRODUCTIVITY AND NATURAL RESISTANCE OF RED-MOTLEY BREEDCOWS BROUGHT IN FROM THE KRASNOYARSK TERRITORY KW natural resistance KW milk productivity KW line KW cows KW immune biological blood parameters JO Bulletin of KSAU AU Zhambalova, E.V. AU Lumbunov, S.G. PY 2014 IS PB Krasnoyarsk State Agrarian University