CROSS-PROTECTION OF BOVINES AGAINST B. TREHALOSI INFECTION BY A MULTI-VALENT VACCINE

摘要

The invention provides a method of protecting a bovine susceptible to Bibersteinia trehalosi, the method comprising administering to said bovine an effective amount of a vaccine comprising a Mannheimia haemolytica antigen, and further comprising one or more of Infectious Bovine Rhinotracheitis Virus, Bovine Viral Diarrhea Virus, Parainfluenza-3 Virus, and Bovine Respiratory Syncytial Virus.