oxytetracycline injection For use in beef cattle; dairy cattle; calves including preruminating (veal) calves; and swine. An antimicrobial agent effective in the treatment of a wide range of diseases caused by susceptible gram-positive and gram-negative bacteria. In cattle it is used in treatment of pneumonia shipping fever pinkeye foot rot diptheria bacterial enteritis wooden tongue leptospirosis plus more. For animal use only.