Zoetis One Shot is a cattle vaccine featuring Mannheimia haemolytica bacterin-toxoid, supplied as a powder-for-solution kit for subcutaneous use. Each 2 mL dose is designed for straightforward integration into herd health protocols. Available in 20 mL and 100 mL vials, it suits both small groups and large operations. A practical choice among livestock health products for producers seeking a Mannheimia haemolytica vaccine for cattle.