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
Chester White name Chester County White. "County" was dropped and the breed became known as Chester White. By 1884, a breed association was officially formed, but competing organizations, sometimes for individual strains, continued to appear into the early 20th century. The "International Ohio Improved Chester Swine Record Association" was formed in 1891, and incorporated in 1895, in Yates County, New York. The breed was officially named the Ohio Improved Chester with OIC commonly used. The 51-member Board of Directors included members from Maine, Texas, Iowa, Michigan, New York, Wisconsin, Connecticut, Kansas, Ohio, Illinois, Missouri, Nebraska, North Carolina, California, New Jersey, Georgia, Pennsylvania,