Sidebone

Sidebone

Last Updated on March 15, 2022 by Allison Price


What is it?

Sidebone refers to hardening of the cartilages either side of the hoof’s coffin bone. Experts don’t know why the normally springy tissues become hardened or become bone. Theories include genetics, trauma to the hoof, poor hoof and leg conformation, poor trimming, and poor shoeing. Sidebone is most common in heavy breeds like draft horses, warmbloods, and cob-type ponies.

Sidebone

What can we do about it?

Sidebone isn’t a cause of significant lameness, but was found on an X-ray of the feet. No specific treatment is required. If lameness is restricted to the feet, however, damage to nearby cartilages or fractures of these cartilages could be an issue. Ultrasound, nuclear scintigraphy, or advanced techniques like MRI and CT can help determine the activeness of the Sidebone in a horse’s body and if there is any inflammation.

What other information do I need?

Sidebone cartilage tissue is also known as collateral cartilages. Quittor refers to a condition in which the cartilages of the hoof become infected. This condition can cause severe lameness. It should be treated immediately to prevent further tissue destruction.

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