The fertility control program was launched in Magoffin County early last year according to a story by WHAS News.
The report refers to PZP as a contraceptive vaccine, not a restricted-use pesticide.
Contrary to another statement in the article, the product is not reversible if applied for more than five years.
The group expects the population to stabilize in three years.
The story did not indicate if the partner organizations would become obsessed with pesticides as they have out west and if the effort would morph into a mass sterilization program across the nine-county region where the horses are found.
RELATED: Horses of the Coalfields: Tragedy, Nuisance or Tourist Attraction?
► Get the truth about wild horses and the wild horse advocates at westernhorsewatchers.com.
Western Horse Watchers Association 