Quarter cracks can be a frustrating problem. For real-world answers, we turned to Bob Smith, owner of the Pacific Coast Horseshoeing School in Plymouth, California, and a member of the International Horseshoeing Hall of Fame.
What are quarter cracks?
The hoof is divided into three areas: the toe, the quarters, and the heels. Any crack appearing in the “side” of the hoof—that is, the quarters—is considered a quarter crack. Such cracks are typically vertical, starting at the coronary band and running down. Like most other hoof cracks, they generally begin inside the hoof before presenting visually on the outside.
What causes them?
Quarter cracks have various causes, including trauma to the coronary band, a prior injury to the coronary band resulting in the growth of defective horn, and poor conformation…
