00690naa#a2200193#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\45191 20240503202943.5 1997-4868 20210715b2021####ek#y0engy0150####ca RU The age of retirement of cows from the herd, depending on genetic and paratypical factors Journal article Ekaterinburg Ural State Agrarian University 2021 8 с. Journal article local Chechenihina Ol'ga Sergeevna Bykova Ol'ga Aleksandrovna Loretc Ol'ga Gennad'evna Stepanov Aleksey Vladimirovich usau.editorum.ru