What Horses Are Likely To Be Insulin Resistant?

A veterinarian says both age and breed can affect a horse’s predisposition to insulin resistance.

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older pony eating grain from tub
Ponies are often predisposed to insulin resistance. | Photo: iStock

Vern Dryden, DVM, CJF, APF, said he typically sees insulin resistance begin in horses 10 to 12 years of age, but he has seen horses as young as 5 have issues, too. He added that ponies are often predisposed to insulin issues, as are Warmbloods, Quarter Horses, Standardbreds, and Saddlebreds.

This podcast is an excerpt of our Ask The Horse Live podcast, ‘Understanding Equine Insulin Resistance.’ Listen to the full recording here.

About the Experts:

Vern Dryden

Vern Dryden, DVM, CJF, APF, owns Bur Oak Sports Medicine and Lameness, in Lexington, Kentucky, and Wellington, Florida, where he focuses on individualized care for his patients. Dryden is also the co-founder and CMO of Wellness Ready, makers of the Wellness Ready Stall Side Insulin Test. After earning degrees from the University of Arizona and Oklahoma State Farrier School, Dryden completed his veterinary studies at Washington State University College of Veterinary Medicine. He frequently lectures both nationally and internationally on podiatry care. At home, Dryden breeds and shows American Quarter Horses.


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