Dog have died and half are still alive, ranges from 10 to 13 years. Individual dogs may live well beyond the median of their breed. The breed with the shortest lifespan (among breeds for which there is a questionnaire survey with a reasonable sample size) is the Dogue de Bordeaux, with a median longevity of about 5.2 years, but several breeds, including Miniature Bull Terriers, Bloodhounds, and Irish Wolfhounds are nearly as short-lived, with median longevities of 6 to 7 years. The longest-lived breeds, including Toy Poodles, Japanese Spitz, Border Terriers, and Tibetan Spaniels, have median longevities of 14 to 15
Fox Terrier 1909. Following the popularity of conformation dog shows, the Fox Terrier was the result of selective breeding. For instance, by 1949, 120 of 140 Wire Fox Terrier champions were descended from a single championship-winning dog. There are two main breeds of Fox Terrier, Smooth and Wire, both of which originate in England. In addition, there are several descendant breeds which have been developed in a variety of countries. For example, the American Toy Fox Terrier was developed from the Smooth Fox Terrier, Italian Greyhound, Manchester Terrier, Miniature Pinscher and Chihuahua breeds. Both major types of Fox Terrier are mostly white