sand crack

American  

noun

Veterinary Pathology.

1. a crack or fissure in the hoof of a horse, extending from the coronet downward toward the sole, caused by a dryness of horn.

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sand crack British  

noun

1. vet science a deep crack or fissure in the wall of a horse's hoof, often causing lameness See also toe crack quarter crack

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Etymology

Origin of sand crack

First recorded in 1745–55

Example Sentences

A sand crack may be superficial, involving only the outer parts of the wall, or it may be deep, involving the whole thickness of the wall and the soft tissues beneath.

From Project Gutenberg

Small feet, with thick, hard hoofs, and feet which are excessively large, are more susceptible to sand cracks than those of better proportion.

From Project Gutenberg

Heavy shoes, large nails, and nails set too far back toward the heels, together with such diseases as canker, quittor, grease, and suppurative corns, must be included as occasional predisposing causes of sand cracks.

From Project Gutenberg

As a rule, sand cracks begin at the coronary band, and as they become older they not only extend downward, but they also grow deeper.

From Project Gutenberg

Ordinarily the lameness of sand crack is slight when the patient walks, but it is greatly aggravated when he is made to trot, and the harder the road the worse he limps.

From Project Gutenberg