Imagine 10% of the nation’s beef and dairy cattle herd infected with a contagious disease causing pregnancy loss and reproductive failure. What’s more, that same contagious disease makes people sick, sometimes with long-term repercussions. That was the situation in the mid-1930’s with brucellosis.
Let’s just vaccimate!
See here the article from the Bovine Vet Website:
http://www.bovinevetonline.com/advice-and-tips/cowcalf/brucellosis-vaccination-still-good-idea