Size writes the Percheron's health list
A Percheron can weigh nearly twice as much as a riding horse, and most of the breed's health concerns flow from that mass and from the draft metabolism behind it. Joints, hooves and muscles all work under loads light horses never carry, and the breed's calm temperament means a Percheron often endures quietly, so owners have to look rather than wait to be told.
Muscle storage problems and shivers
Draft breeds are prone to a muscle condition in which stored sugars are handled abnormally, showing up as stiffness, muscle trembling, a tucked-up abdomen or reluctance to move after rest, especially on high-grain diets. A related movement problem, shivers, appears as involuntary lifting and quivering of a hind leg, most obvious when the horse backs up or has a hind foot lifted for the farrier. A Percheron that camps out, sweats oddly during episodes or struggles to back a few steps should be discussed with your vet; management leans on diet changes built around forage and fat rather than starch, plus consistent daily movement.
Lower legs carry the burden
The heavy feather and thick skin of draft lower legs can hide problems: chronic progressive swelling of the hind legs develops slowly in draft breeds, beginning as thickened skin and small crusty lesions under the feather that owners mistake for mud rash. Part the feather and feel the pasterns regularly. Scratches and pastern irritation fester unseen under hair, and a stocked-up hind leg that stays swollen between work sessions deserves a vet's opinion rather than another week of watching. Keep the feather as clean and dry as the yard allows, wash mud away gently rather than leaving it to cake, and learn what your Percheron's legs feel like on a normal morning — with drafts, your fingertips find thickening weeks before your eyes would catch it across the barn.
Heat, feet and joints
That huge body generates heat it sheds slowly, so a Percheron working in summer humidity can overheat while a light horse alongside is comfortable: watch for breathing that does not settle after work stops, and plan heavy work for cool hours with shade and water at hand. Hooves spread wide under the weight and can develop flares and cracks if trim intervals stretch, and hocks and stifles wear under years of load, so a shortened stride behind is worth investigating early.
When to call the vet
Call for a muscle episode that leaves the horse stiff, sweating or unable to move freely, for swelling in a hind leg that does not walk down, or for breathing still laboured well after work ends. Keeping your Percheron's weight record, farrier dates, and dated notes on any stiffness or backing-up trouble in its KinsLe Pet Passport gives your vet the episode history that draft muscle problems are diagnosed from.