Pfizer One Shot does exactly what its name says - protect against bovine pneumonia with a single dose. The lethal combination of killed bacterial culture and a toxoid helps keep your cows in a healthy and disease-free condition.

• Aids in prevention of bovine pneumonia caused by Mannheimia (Pasteurella) haemolytica type 1A
• Single dose killed bacterial culture plus toxoid
• Weight: Approximately .15 pounds
• Shipping Dimensions: Approximately 3 x 2 x 1 inches.