Corriedale South Island, where he conducted his work under the encouragement of NZALC superindent, William Soltau Davidson. The breed was developed between 1868 and 1910. As a dual purpose breed of sheep (good for meat and wool), the Corriedale breed was gradually distributed to many of the sheep-raising areas in the world. For example, the first Corriedales were imported to the United States in 1914. The Corriedale was later used as one of the parents of the U.S.-developed Targhee breed. Corriedale sheep also contribute about 50 percent of the genetics used in the Gromark breed of sheep, which were developed in
Breed registry problems caused in the breed by inbreeding from a limited set of animals. A related preservation method is backbreeding, used by some equine and canine registries, in which crossbred individuals are mated back to purebreds to eliminate undesirable traits acquired through the crossbreeding. Naming rules vary according to the species and breed being registered. For example, show horses have a "registered name", that is, the name under which they are registered as a purebred with the appropriate breed registry, and purebred dogs intended for the sport of conformation showing must be registered with the kennel club in which they will