) Agrimycin 100 is a broad-spectrum antibiotic containing 100 mg oxytetracycline per ml. Agrimycin 100 is effective in the treatment of diseases including footrot and pneumonia. For use in beef cattle, non-lactating dairy cattle and calves. Labeled for IV use only. Give 3 to 5 ml per 100 pounds by IV. Administer slowly over a period of at least 5 minutes. Dosage may be repeated once per day, up to 4 consecutive days.