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 stud book is a stud book or breed registry that does not accept any outside blood. The registered animals and all subsequent offspring trace back to the foundation stock. This ensures that the animal is a purebred member of the breed. In horses, an example of a closed stud book is that of the Thoroughbred, with a stud book tracing to 1791. The American Kennel Club is an example of a kennel club with primarily closed books for dogs; it allows new breeds to develop under its Foundation Stock Service, but such dogs are not eligible for competition in AKC