METHOD OF TREATING PREGNANT COWS AND/OR HEIFERS

摘要

The present invention relates to combination vaccines for the prophylaxis and treatment of microbiological infections in cattle which comprise an attenuated bovine viral diarrhea virus (BVDV) for the the prophylaxis and treatment of BVDV caused infections. The invention also relates to a method of vaccinating a pregnant cow.

主权项

1. A method of preventing abortion in a pregnant cow, comprising administering a first vaccine to the cow prior to pregnancy wherein said first vaccine comprises a therapeutically effective amount of Infectious Bovine Rhinotracheitis (IBR), Bovine Viral Diarrhea Virus (BVDV) Type I and BVDV Type 2 and administering a second vaccine to the cow after the cow is pregnant, wherein said second vaccine comprises modified live IBR virus, modified live BVDV Type 1 derived from a Singer strain, modified live BVDV Type 2 derived from Strain 296, and Haemophilus somnus.