Cefa-Dri (cephapirin benzathine) is a prescription intramammary suspension for use in dry cows. It provides a wide range of bactericidal activity against gram-positive and gram-negative organisms. Each 10 mL disposable syringe delivers 300 mg of cephapirin activity in a stable peanut oil gel. Available in 24-count and 144-count units, this cattle product fits seamlessly into dairy herd protocols under veterinary direction and is listed with Canadian DINs.