Chihuahua (dog) Chihuahua (dog) The Chihuahua () is the smallest breed of dog and is named after the state of Chihuahua in Mexico. Chihuahuas come in a wide variety of colors, and two coat lengths. The Chihuahua's history is convoluted, and many theories surround the origin of the breed. Both folklore and archaeological finds show that the breed has origins in Mexico. The most common theory is that Chihuahua are descended from the Techichi, a companion dog favored by the Toltec civilization in Mexico. No records of the Techichi are available before the 9th century, although dog pots from Colima, Mexico, buried
Breed club (dog) research on breed-specific health issues. Breed clubs for agricultural stock breeds became popular social clubs in England in the late 18th century and early 19th century. The first breed club for chickens, for example, was formed in 1815 as an elite and expensive activity. By the mid-19th century, dog shows were becoming a pastime in Victorian England, and the bulldog was a popular pet. In order to make the bulldog breed smaller and more gentle, crossbreeding with pugs and other types of dogs was being done, leading to the formation of the first breed club, the Bulldog Club, in 1864,