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.
Apache is in his prime: Paint Saddlebred gelding; 15 hands about 900#; easy keeper; very spirited; trail/western ridden. No formal training. vax'd June 2013; Regular hoof trimming; current Coggins.