Southdown sheep sustainable gene pool. Mock continued his extensive search, and by 1990, he was able to find a total of 350 of the Southdown sheep that had the original bloodlines, and many of them still carried their original Southdown registration papers recognized by the UK. At that time, Mock started the first and original Olde English Southdown Registry to market this once meat breed to a completely new market for people looking for pets and 4H projects, and he started the "Babydoll" used by the members of the original registry, as well as the few spin-off Babydoll registries. When Mock and
Southdown sheep kohl rabi and other forage crops, the folding system took off, increasing in parallel with expanding human population. The system reached its zenith from about 1845 to 1880. The 20th century brought the establishment of pedigree recording. By 1911, 359 registered Southdown flocks contained some 114,495 breeding ewes throughout Britain. Much remained the same until the First World War, when the Southdown flocks declined with some rapidity, as shepherds and farm workers went off to war. By 1922, the 359 pedigree flocks had shrunk to 245. From then until 1939, the registered Southdown flocks numbered around 200. Folded flocks were