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) the preservation and protection" of the club's breed. Each club defines for itself what exactly the club will do for the breed, depending on the use of the particular breed that is advocated by the breed club. Breed clubs write the standard for their breed, and independent breed clubs maintain their breed's stud book (other breed clubs are affiliated with a national kennel club, which maintains the stud books of a great many breeds in a central location.) Breed clubs provide information to the public about their breed. Club members agree to a code of ethics overseen by the club