Southdown sheep wool and cereals due to rising volumes of imports from the British Empire was accompanied by the Wet Years - a six-year period of cold, wet weather with little sun. In the Second World War, the South Downs were commandeered for military training, only fringe farms being left to produce milk for the towns. Sheep farming declined further after the war, although it is now being encouraged again through the designation of the downland as an environmentally sensitive area, and the restoration of arable land to sheepwalk. The Southdown has been placed on a watch list by the Rare Breeds
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