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American Staffordshire Terrier

GENERAL APPEARANCE : Strong and agile in appearance, it is a well-structured and compact but graceful dog, should not be long-legged or tucked up.

Personality:  Smart, alert and agile.

Energy Level : Very Active.  This dog is active and energetic, and needs daily exercise.  

Good with children:  Yes.


Good with other dogs:  With supervision.


Grooming:  Seasonal.


Life expectancy : 8-10  years old.

Bark Level: Bark when needed.


Your ancestors arrived at  United States , through immigrants from  british isles  around the year 1845, still in the form of  bull-and-terrier  (which in  England  generated the  Staffordshire Bull Terrier , through one of its variations). THE  bull-and-terrier  it soon became popular and was further developed by the union of its English, Irish and Scottish varieties.  It then concluded that the  AST  developed from a population separate from the race  American Pit Bull Terrier . Currently these are considered in most of the world canine entities as completely different and separate races. Eighty years of self-selection had turned the Amstaff into a distinct breed separate from its predecessor, the Pit Bull.

The Amstaffs (as they are commonly called),  are classified as generally more peaceful and adaptable to living with other animals, and are shorter and more robust.

Country of Origin: USA

BEHAVIOR AND TEMPERAMENT:  They are docile, loyal and protective of the family. They are considered good guard and companion dogs.



Skull: Broad and robust.

Stop : Distinct.



Snout:  It is of medium length, slightly rounded on the top line.

Truffle:  black.

Jaws and Teeth:  Scissor bite with strong, well-defined jaws.

Lips: Closed,  firm and consistent.


Expression: Intelligent, alert and vivacious.

Eyes: Round shaped, dark, without the presence of pink eyelids. of insertion  low and separate.

Ears : Set high. Preferably uncropped, which should be short and carried in  pink.

NECK : Of medium size, arched and muscular. Free from dewlap.


Topline: Moderately short, with a gentle slope from the withers to the croup.

Back: Well developed.


Loin: Moderately tucked up.

TAIL: Set on low, short and tapering to a point.




Shoulders: Strong and muscular.

Elbows: Close to the chest.

Feet: Compact, of medium size with arched toes.


Hocks: Well let down.

  Well developed and muscular.

Paws :  Compact, of medium size with arched toes.

  • GAIT/MOVEMENT: Elastic gait.

  • COAT

Hair : Short, shiny and hard to the touch.

  • COLOR: All solid, parti-color or speckled colors are acceptable. Not acceptable, black and fire, liver and predominantly white.

SIZE: Females - 43 to 46 cm / Males - 46 to 48 cm

  • FAULTS  

Any deviation from this standard should be considered a fault and penalized in exact proportion to its severity and its effects on the health and well-being of the dog.  


• Aggressiveness or excessive shyness.

• Any dog that shows any sign of physical or behavioral anomaly must be disqualified.

• Atypical dogs.

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