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
Toy Bulldog creating the Toy Bulldog was via crossbreeding French Bulldogs, English Bulldog, and their offspring to decrease the weight to a desirable 20 pounds or so. There were several dogs, and the breed was presented by "The French Toy Bulldog Club of England" to the Kennel Club. However, this version of the breed had not been developed to the point of recognition as well. English breeders and Kennel Club representatives refused to call a mixed breed dog a Bulldog. Nowadays the term "Toy Bulldog" is occasionally used to describe a small variety of another cross known as a "Miniature Bulldog". This