Southdown sheep smaller scale breeders of sheep. It has been split into two sub-breeds. The Southdown raised by commercial growers today, is larger than the "traditional" Southdown of years past. North American Southdowns are also taller than their English counterparts. The original blood line of the English Southdowns are the "Baby Doll" Southdowns in the US. They have been selected specifically for their smaller size of the original blood lines and a focus on wool and hobby breeding rather than commercial meat production. In California and New Zealand, they are placed in vineyards to graze weeds because they are too short to
Breed registry are seen in certain color breeds of horses, such as the Appaloosa, American Paint Horse, and American Cream Draft Horse, where foals with the proper pedigree for registration but do not meet the color standard for the breed, yet may still carry the necessary genetics in a minimally-expressed form, may be registered and bred to fully registered animals, with ensuing offspring eligible for registration if they meet the breed standard. Another form of open registry is a registry based on performance or conformation, called in some societies "Registry on Merit." In such registries, an eligible animal that meets certain criteria