A fast-acting, broad spectrum treatment for mastitis in dry animals. Effective against Strep. agalacline, Staph. aureus, including penicillin resistant strains. An intramammary infusion; consult your vet for dosage and proper application. Label warns not to use within 30 days of "calving." Do not use meat from treated animals during treatment or within 4 days of last treatment. Active ingredient: Cephapirin benzathine. One 10-ml. syringe. Also available in a box of 12 syringes.