TY JOUR TI THE DAIRY EFFICIENCY AND MILK QUALITY INCREASE WAYS OF RED-MARKED BREED COWS KW breed KW crossing KW descendants KW forage nutrients KW lactation KW lactation phases KW the beginning of milking KW the middle and the termination JO Bulletin of KSAU AU Golubkov, A.I. AU Golubkov, A.A. AU Sirotinin, E.G. PY 2013 IS PB Krasnoyarsk State Agrarian University