Equine metabolic syndrome (EMS)’ is a term that describes a series of clinical signs that contribute to the development of laminitis (founder) in horses. EMS is most commonly seen in pony breeds, Morgans, Paso Finos, and Norwegian Fjords, although Arabians, Quarter Horses, Tennessee Walking Horses, Saddlebreds, Thoroughbreds, and Warmbloods have all been diagnosed with the syndrome. In general, “easy keeper” breeds are at higher risk than “hard keeper” breeds such as Thoroughbreds and Standardbreds. Identifying EMS in affected horses/ponies is important because proper management will aid in the prevention of laminitis.

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