Once PMH® IN from Merck is for the vaccination of healthy cattle, 1 week of age or older, as an aid in the control of respiratory disease caused by Mannheimiahaemolytica. Also as an aid in the prevention of disease caused by Pasteurella multocida.
Rehydrate freeze dried vial of Once PMH® IN with accompanying vial of diluent. Mix reconstituted vial well. Administer a single 1 mL dose aseptically into each nostril or 2 mL into only one nostril of healthy cattle 1 week of age or older. Annual revaccination is recommended.
Do not vaccinate within 21 days of slaughter.