Deworming Part 3: Clinical Signs of Internal Parasite Burden

Dr. Steve Sundholm shares the clinical signs a horse might exhibit when infested with worms.

Internal parasites can make a horse unthrifty and cause poor hair coat, digestive issues, and even colic. Learn about these and other clinical signs of a wormy horse from Dr. Steve Sundholm of Equus Veterinary Service in Oregon City, Ore.