00632naa#a2200205#i#450# EN\\bibl\79914 20260220083352.5 1819-4036 20180225b2018####ek#y0engy0150####ca RUS RU THE INFLUENCE OF BULLS-PRODUCERS ON THE INTENSITY OF MILK YIELD IN FIRSTCALF COWS-HEIFERS OF HOLSTEIN BREED Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2018 5 с. Journal article local . 636.22/28 RUS Mishkhozhev A A Tleynsheva M G Tarchokov T T sej.kgau.ru