00609naa#a2200181#i#450# EN\\bibl\90062 20260220135238.5 1819-4036 20240927b2024####ek#y0engy0150####ca RU ECONOMIC AND BIOLOGICAL CHARACTERISTICS OF COWS WITH DIFFERENT PRODUCTIVITY LEVELS Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2024 6 с. Journal article local Молочный скот. 636.2.034 Chasovschikova Marina Aleksandrovna Punegova Vera Valer'yanovna sej.kgau.ru