(Multimin) Multimin 90 is a supplemental source of zinc, manganese, selenium and copper for cattle. Each ml of Multimin 90 is a chelated source of 60 mg zinc, 10 mg manganese, 5 mg selenium and 15 mg copper. Multimin 90 should be administered to cattle by SQ or IM injection. The recommended dosage is 1 ml per 100 lbs body weight for calves up to 1 year of age; 1 ml per 150 lbs for cattle 1-2 years of age; and 1 ml per 200 lbs for cattle over 2 years of age. Frequency of administration may vary to suit management program. Zinc, manganese, selenium and copper.