00822naa#a2200205#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\30244 /en/manage/index 20250210191727.1 1997-4868 20190525b2019####ek#y0engy0150####ca RU PRODUCTIVE LONGEVITY OF COWS OF BLACK-AND-PESTROUS BREEDS AND CAUSES OF THEIR EXTRACTION Journal article Ekaterinburg Ural State Agrarian University 2019 7 с. Journal article local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 SKVORTSOVA E. G. Gamerovna Neverova Ol'ga Petrovna Chepushtanova Ol'ga Viktorovna fht.editorum.ru /en/manage/index