00541naa#a2200157#i#450# EN\\bibl\82316 20241110120804.7 2221-3260 20230301b2023####ek#y0engy0150####ca RU Evaluation of the economic efficiency of breeding imported and domestic dairy cattle populations in the Yaroslavl region Journal article Yaroslavl Yaroslavl State Technical University 2023 10 с. Journal article local Ermishin Aleksandr Sergeevich comincon.ru