The slope of the pastern should roughly match the slope of the toe of the hoof. Ideally, this angle is approximately 50 degrees, but may vary due to the horse's natural conformation.
Each crack in a horse's hoof is individual and the results or repairing and stabilizing the hoof crack depend upon the type, location and treatment …
Video of donkey hoof trimming.
By the founder/editor of EquiMed, this book contains the foundation of complete horse healthcare. A must for every horse owner's home library.