00693naa#a2200193#i#450# EN\\bibl\79200 20260221144514.6 1819-4036 20151225b2015####ek#y0engy0150####ca RUS RU THE INFLUENCE OF VITAMIN AND MINERAL AND ENZYME PROBIOTICAL FEED ADDITIVES ON PHYSIOLOGICAL FEATURES AND EFFICIENCY OF BULL-CALVES OF HEREFORD BREED IN THE CONDITIONS OF THE AMUR REGION Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2015 5 с. Journal article local . 636.084.1+636.22(571.61) RUS Murashkin D E Arnautovsky I D sej.kgau.ru