%0 Journal Article %T The result of using a haylage made of sandpaper in the diets of dairy cows %A Morozkov, N.A. %A Maysak, G.P. %K sainfoin, sugar, urea, haylage, fodder crop, cows, cholesterol. %J Agrarian Bulletin of the %D 2020 %N 201 %P 6 %I Ural State Agrarian University