Southdown sheep 1.5 to 2.5 inches (4-6 cm). An estimated 110,000 sheep were in Sussex as early as 1341. At the time, their wool was second only to the Hereford sheep in fineness and quality. In 1780, John Ellman realized the potential of these animals and set out to standardize the Southdown breed. In the 19th and first half of the 20th centuries, they were found in large numbers, especially in the South Downs near Lewes. In 1813, Arthur Young estimated 200,000 ewes were kept on the eastern South Downs and commented, "the amazing number they keep is one of the most
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