is a breed of working dog developed for catching livestock and for protecting property. Though larger in size,they are the closest surviving relative of the Old English Bulldog because they were not altered to as great an extent while in Colonial America as their European cousins. There are generally considered to be two types of American Bulldog, the Johnson type and the Scott type, named after the breeders who were influential in developing them, John D. Johnson and Allen Scott. These are more commonly known as Classic or Bully type and Standard or Performance type
Appearance The American Bulldog is a stocky, strong-looking dog. Its coat is short and either white or white with patches. The Johnson type is a larger dog with a shorter muzzle than the Scott type. However, many modern American Bulldogs are a combination of the two types. In general, American Bulldogs weigh between 27 to 57 kg (60 to 125 lb) and are 52 to 70 cm (20 to 28 in) at the withers.n Rockett,
Confusions with other breeds There are two distinct strains of American Bulldogs, Classic (Johnson, Bully) and Standard (Scott, Performance) which is often mistaken for its second cousin, the American Pit Bull Terrier because of its appearance, and for its much smaller European relatives because of its name. The American Bulldog is different from any of these. The American Bulldog is massive in comparison to the French Bulldog or English Bulldog as it still resembles the Old English Bulldog and was never down bred to be a lap dog.
The Standard American Bulldog does resemble the pit bull-type breeds on many points, such as being muscular dogs that can be all white or white with patches. However, the pit bull's head is in the shape of a wedge coming to a more rounded point at the muzzle, whereas an American Bulldog's is box-shaped. The American Bulldog's ears are also typically uncropped, and its head is heavier and a little bulkier. Another major difference is size, with the American Bulldog generally being much larger than a purebred American Pitbull Terrier (which according to the UKC standard should only weigh 30 - 60 pounds).
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QUICK FACTS
Weight: 27-45 kg 60-125 lb
Height: 50-71 cm 20-28 in
Coat: Short, coarse
Coat (cont): stiff to touch
Activity level: Medium - high
Learning rate: Very high
Temperament: gentle, loving
Temperament (cont) fearless
Guard dog ability: High
Watch-dog ability: High
Litter size: 6-16
Life span: 8-15 years
