%0 Journal Article %T FACTOR ANALYSIS OF DAIRY CATTLE DEVELOPMENT IN RUSSIAN REGIONS %A Iskhakov, A.. %A Gatina, F.F. %K dairy cattle breeding, dairy productivity, factor analysis, correlation and regression analysis, climate zone, feed, wages, regression equation, forecasting %J Vestnik of Kazan State Agrarian University %D 2022 %N 17 %P 7 %I Kazan state agrarian University