Corriedale Australia. Corriedale Corriedale sheep are a dual purpose breed, meaning they are used both in the production of wool and meat. The Corriedale is the oldest of all the crossbred breeds, a Merino-Lincoln cross developed almost simultaneously in Australia and New Zealand and first brought to the United States in 1914. The Corriedale is internationally farmed, in Australia, New Zealand, the United States of America, Southern Brazil, Uruguay and Patagonia. Corriedales are one of the most popular sheep breeds in Uruguay. On the Falkland Islands, Polwarth and Corriedale form the main sheep breeds. Corriedale have a long life span, and
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