00597naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\73934 20241002060505.3 1997-4868 20240201b2024####ek#y0engy0150####ca RU Efficiency of beef production in the purebred breeding of French beef cattle breeds Journal article Ekaterinburg Ural State Agrarian University 2024 8 с. Journal article local Sheveleva Ol'ga Mihaylovna Baharev Aleksey Aleksandrovich usau.editorum.ru