Wild horses cost American taxpayers $77 million a year. But a man who helps shrink wild horse herds with birth control vaccine hopes to reduce those costs.
A wild horse herd lives on BLM land in the McCullough peaks, just east of Cody. BLM officials used to do gathers here, to reduce the herd size… but it’s not growing anymore, thanks to a contraceptive called PZP
Senior Scientist of the Science and Conservation Center Jay F. Kirkpatrick said, “They reached zero population growth in three years flat. They’re balancing foal production with mortality.”