Once® PMH IN is the only intranasal vaccine to deliver dual bacterial pneumonia protection in the healthy beef and dairy cattle, including calves as young as 1 week of age.
This vaccine aids in the control of respiratory disease caused by Mannheimia haemolytica and Pasteurella multocida - the leading causes of early-onset Bovine Respiratory Disease (BRD).
- Brand: Merck
- Form: Injectable
- Prevention Type: Respiratory