A fast-acting, broad spectrum treatment for mastitis in milking animals. Effective against Strep. agalacline, Staph. aureus, including penicillin resistant strains. An intramammary infusion; consult your vet for dosage and proper application. Discard milk and don't use meat from treated animals for food during treatment and for 96 hours after last treatment. Active ingredient: Cephapirin sodium. 12 ten ml. syringes to a box.