Horses are prone to hoof cracks for various reasons. Cracks can lead to the hoof chipping away in certain areas.
Cracks can be a cosmetic problem that can be easily corrected, but sometimes, they indicate something more serious is happening within the hoof.
Hoof cracks are usually described by their location, length (partial or full), and the presence or absence of bleeding and/or infection. In many cases, the underlying hoof damage is considerably more extensive than what is seen from the outside. 
This podcast features details on hoof anatomy, summarizes the main causes and types of hoof cracks and highlights the most effective treatments.

Read more: https://madbarn.com/hoof-cracks-in-horses/
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