Indicated for the treatment of upper respiratory infections, shipping fever complex, and blackleg in beef cattle. Each ml of suspension contains: Penicillin G Benzathine 150,000 units and Penicillin G Procaine 150,000 units. Effective, dual-acting, both fast acting and long-lasting, 40-48 hours. Broad spectrum of activity. Efficient and economical - reduces time, labor, and stress associated with frequent injections. DOSAGE: 2ml per 150 lbs. of body weight given subcutaneously only.