Corriedale wool ranging from 25 to 30 microns diameter. Fleece from a mature ewe will weigh with a staple length of . After cleaning, a yield of 50 to 60% of the raw fleece weight is common. Mature rams will weigh ; ewes can weigh from . This breed was developed in Australia and New Zealand by extensive breeding and culling as a cross between Merino and Lincoln sheep The goal was to develop a breed that would thrive in lower rainfall areas and supply long-staple wool. James Little was the original breeder. The name comes from a property in the
Breed club (dog) not all dog breeders belong to breed clubs, and breed clubs cannot enforce their code on non members, even when the non-members are raising the breed club's breed of dog.) The Scottish Terrier Club of America's code of ethics directs breeders to "breed only Scottish Terriers of characteristic type, sound structure and temperament... producing dogs in conformity to the AKC Standard." There is no work or hunting requirement or inbreeding prohibitions in this breed, which is primarily kept as a pet and showdog. The emphasis on breeding only for appearance in many pet breeds, combined with competitive pressure to breed