Osteoarthritis of the distal (lower) hock joints (bone spavin) is a common performance problem in sport horses. At the 2009 American Association of Equine Practitioners (AAEP) convention, held Dec ...

The two most commonly affected joints with bone spavin are the distal intertarsal and tarsometatarsal joints. Conditions of the upper tarsocrural joint tend to result in a condition called bog spavin.

Farrier Danny Eades DWCF replies: A bone spavin is a form of degenerative joint disease (DJD) found on the inside of the hock between the intertarsal and tarso-metatarsal joints. New bone forms on ...