Racehorses can collapse for reasons that are not immediately apparent; researchers said these uncommon exercise-related deaths are "poorly understood," and vets are only able to determine cause in about half of the cases undergoing post-mortem exams.

To continue reading this article, become a member of TheHorse.com.

It's FREE and you'll get full access to more than 20,000 articles, video, free reports & more.

Sign In
Stay on top of the most recent Horse Health news with FREE weekly newsletters from TheHorse.com. Learn More

Free Newsletters

Sign up for the latest in:

From our partners