The Unwanted Horse
Veterinary Relief Campaign

Since 2009, every Merck Animal Health purchase you make helps equine rescue and retirement organizations keep their vaccination schedules up to date. Every time you purchase a product, we donate a portion to this worthy cause.

This partnership between Merck Animal Health and the American Association of Equine Practitioners (AAEP) has delivered more than 30,000 doses of vaccine to horses in need, protecting their health and making them more adoptable. Go to to learn more.