PREMIX FOR COWS (VERSIONS) Russian patent published in 2000 - IPC

FIELD: animal husbandry, particularly, cows feeding. SUBSTANCE: premix is introduced in ration of dry and milking cows. Premix composition for dry cows includes succinic acid, folic acid, selenium, zinc, copper, cobalt, iodine, manganese, magnesium and vitamin D. For milking cows premix contains folic acid, selenium, zinc, copper, cobalt, iodine, manganese, magnesium and vitamin D. Hydrolytic yeast irradiated by lamp PRK-7 is used as vitamin D. Introduction of the proposed premix in cows ration ensures reduction of food expenditures for milk forming. EFFECT: increased milk productivity and cows reproduction function. 3 cl, 1 tbl