%0 Journal Article %T The quality of fiber and the effectiveness of use in rations of Holstein-Kholmogor cows %A Kuz'mina, L.N. %A Kartashova, A.P. %K cattle, neutral detergent fiber (NDF), acid detergent fiber (ADF), ration, crude fiber, digestibility. %J Agrarian Bulletin of the %D 2020 %N 198 %P 8 %I Ural State Agrarian University