%0 Journal Article %T ECONOMIC EFFICIENCY OF INTRODUCTION OF “PROVETEX K” INNOVATIVE CONCENTRATE IN RATES OF LACTING COWS %A Galimullin, I.S. %K lactating cows, innovative concentrate, extruding, protein, productivity, blood biochemistry, efficiency. %J Vestnik of Kazan State Agrarian University %D 2017 %N 12 %P 3 %I Kazan state agrarian University