Avirulent-live culture for the vaccination of healthy cattle, 3 mos of age or older, as an aid in the control of respiratory disease caused by Mannheimia haemolytica and Pasteurella multocida.
Dosage: 2 ml subcut. Revaccinate annually. Calves nursing immune dams should be vaccinated when maternal antibody levels will allow active immunization. 21 day slaughter withdrawal. U.S. Lic. No. 286.