Preliminary examination of sport horse competition data for genetic evaluation

A sport horse can be defined as a horse which participates in one of the three equestrian disciplines represented at Olympic level. These disciplines are dressage, eventing and show jumping. There are approximately 5,000 horses registered for equestrian sport in New Zealand (Rogers & Firth, 2005). Despite the relatively small size of the New Zealand equestrian sport population, the New Zealand industry has been successful in International sport with the production of predominantly show jumpers and event horses for the export market (Rogers, 1993; Rogers & Firth, 2005). However, in contrast to the European equestrian sport communities, the New Zealand industry lacks a formal integration of the breeding and sport sectors (Huizinga & Vandermeij, 1989; Koenen