Chester White Chester White The Chester White is a breed of domestic pig which originated in Chester County, Pennsylvania. It was formerly known as the Chester County White. The Chester White was first developed around 1815–1818, using strains of large, white pigs common to the Northeast U.S. and a white boar imported from John Russell Duke of Bedford, Bedfordshire county, England, referred to as the Woburn breed, brought by Captain Jefferies of Liverpool, England. In 1848, two breeders at a county fair, one from Delaware County and the other from Chester County, showed their two breeds. The judge decided to use the
Deaf animal Deaf animal Some strains of animals, such as white cats, have a tendency to congenital deafness. It is also not an uncommon problem for purebred dogs. Some known chemicals and elements can also affect deafness in animals. Deafness can occur in almost any breed of cat or dog. This includes both pure-breed and mixed-breed animals although there may be more prevalence in some specific breeds. "The association between patterns of pigmentation and deafness in the dog has a long-documented history, with reports dating back over one hundred years. Long suspected of having a genetic basis, the search for loci with