00584naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\40170 20240515042327.3 1997-4868 20201029b2020####ek#y0engy0150####ca RU The result of using a haylage made of sandpaper in the diets of dairy cows Journal article Ekaterinburg Ural State Agrarian University 2020 6 с. Journal article local Morozkov Nikolay Aleksandrovich Maysak Galina Pavlovna usau.editorum.ru