Churchill Downs' primary weapon against the West Nile virus (WNV) sits in a clear, plastic vial on the desk of track superintendent Butch Lehr, according to AP writer Chris Duncan.
The vial holds birdseed-like pellets that release a chemical that kills mosquitoes in their larval stage. The chemical is otherwise safe and is harmless to horses, making it an ideal mosquito repellent
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.
