00602naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\38977 20240505141248.7 1997-4868 20200731b2020####ek#y0engy0150####ca RU The quality of fiber and the effectiveness of use in rations of Holstein-Kholmogor cows Journal article Ekaterinburg Ural State Agrarian University 2020 8 с. Journal article local Kuz'mina Lyudmila Nikolaevna Kartashova Anastasiya Petrovna usau.editorum.ru