Effect of Modified Live Bovine Viral Diarrhea Virus (BVDV) Vaccination During the Third Trimester of Pregnancy in Beef Cows
DOI:
https://doi.org/10.21423/aabppro19965965Keywords:
persistent infection, BVDV, vaccinateAbstract
Sixteen Brahman-Angus Fl cows (3 years old) were found to be negative for persistent BVDV infection by virus isolation on Buffy coat samples between approximately 180-270 days of gestation. Two weeks later cows were randomly assigned to vaccinate and nonvaccinate groups.