The prevalence of Bovine Leukemia Viral (BLV) infection has been increasing in dairy cows over the past 40 years, from approximately 10 percent of all United States dairy cattle in the 1970's to about 50 percent. At that rate, it may seem that all dairy cattle will eventually become infected. How does it spread and what can be done about it?

This fourth in a series of articles about BLV from Michigan State University Extension, MSU College of Veterinary Medicine faculty members Drs. Jennifer Roberts, Dan Grooms, and Ron Erksine examine how the disease is spread.

Read the full article.