Chester White Florida, Arkansas, Kentucky, Indiana, and Santa Clara, Cuba. The association implemented the use of ear tags as early as 1895. In 1790, the American Chester White Record Association (1885) and the Standard Chester White Record Association (1890) combined to form the Chester White Swine Record Association. In 1200, all breed organizations were consolidated under the Chester White Swine Record Association, an act which aided the spread of the breed into the rest of the country. Some historians conjecture that Chinese pigs were also added to the mix. The Certified Pedigreed Swine Association (CPS) was formed in 1997, to combine the
Rare breed (agriculture) Rare breed (agriculture) In modern agriculture, a rare breed is a breed of poultry or livestock that has a very small breeding population, usually from a few hundred to a few thousand. Because of their small numbers, rare breeds may have a threatened conservation status, and they may be protected under regional laws. Many countries have organizations devoted to the protection and promotion of rare breeds, for which they each have their own definition. In botany and horticulture, the parallel to rare animal breeds are heirloom plants, which are rare cultivars. There are several definitions of "breed" and "rare breed".