Southdown sheep Survival Trust. The original Southdown breed probably reached the United States in 1803. Their popularity grew because the Southdowns were very easy to take care of and were resilient to many problems for which other sheep are known. They later declined in nearly the same pattern that had occurred in England. One other factor that affected the original bloodlines was that the Southdown could not satisfy the consumer demand for larger meat cuts. This was significant in the development and mass production of the larger, leggier Southdown of today. This divergence from the original breed standards was the beginning of
Breed Breed A breed is a specific group of domestic animals having homogeneous appearance (phenotype), homogeneous behavior, and/or other characteristics that distinguish it from other organisms of the same species. Breeds are formed through genetic isolation and either natural adaptation to the environment or selective breeding, or a combination of the two. Despite the centrality of the idea of "breeds" to animal husbandry and agriculture, no single, scientifically accepted definition of the term exists. A breed is therefore not an objective or biologically verifiable classification but is instead a term of art amongst groups of breeders who share a consensus around