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
Rare breed (agriculture) are catered by the Rare Poultry Society (RPS). The RPS does not look after breeds that count few individuals but have their own breed club. The British Rabbit Council (BRC) notes in its breed standards those rabbit breeds that have been recognized by the affiliated Rare Varieties Rabbit Club, of which there are currently 26 breeds. Major factors causing breeds to become rare are reported to include increased use of exotic breeds, weak policies and institutions in animal genetic resources management, neglect of certain breeds because of a lack of profitability or competitiveness, the intensification of production systems, the effects