Breed standards are the official guidelines that describe the ideal characteristics, temperament, and appearance of a breed and ensures that the breed is fit for function with soundness essential.
American Kennel Club - Approved 10 June 1936
FCI Standard No 286
The American Staffordshire Terrier should give the impression of great strength for his size, a well put-together dog, muscular, but agile and graceful. He should be stocky, not long-legged or racy in outline.
Keenly alive to his surroundings. His courage is proverbial.
Head medium length, deep through, broad skull, very pronounced cheek muscles, distinct stop. Muzzle medium length, rounded on upper side to fall away abruptly below eyes. Jaws well defined. Underjaw to be strong and have biting power. Lips close and even, no looseness. Nose definitely black, Dudley nose undesirable.
Dark and round, low down in skull and set far apart. Light or pink eyes undesirable. No pink eyelids.
Set high. Ears should be short and held rose or half pricked. Full drop to be penalised.
Upper teeth to meet tightly outside lower teeth in front. Undershot or overshot mouths undesirable.
Heavy, slightly arched, tapering from shoulders to back of skull. No looseness of skin. Medium length.
Shoulders strong and muscular with blades wide and sloping. The front legs should be straight, large or round bones, pasterns upright. No resemblance of bend in front. Forelegs set rather wide apart to permit chest development.
Back fairly short. Slightly sloping from withers to rump with gentle short slope at rump to base of tail. Well sprung ribs, deep in rear. All ribs close together. Chest deep and broad. Loins slightly tucked.
Well muscled, let down at hocks, turning neither in nor out.
Of moderate size, well-arched and compact.
Short in comparison to size, low set, tapering to a fine point; not curled or held over back. Not docked. Tail too long or badly carried undesirable.
Must be springy but without roll or pace.
Short, close, stiff to the touch, and glossy.
Any colour, solid, parti, or patched is permissible, but all white, more than 80% white, black and tan, and liver not to be encouraged.
Height and weight should be in proportion.
Dogs approx 46-48 cms (18-19 ins) at shoulders
Bitches approx 43-46 cms (17-18 ins) at shoulders is considered preferable.
Any departure from the foregoing points should be considered a fault and the seriousness with which the fault should be regarded should be in exact proportion to its degree and its effect upon the health and welfare of the dog.
Male animals should have two apparently normal testicles fully descended into the scrotum.