General Appearance: Alert, active, compact,short-coupled,and squarely built. Dogs larger and more powerful then bitches
Characteristics: Loose Skin, frowning expression, harsh bristly coat.
Head and Skull: Rather large in proportion to body, skull flat, broad,moderate stop. Length from nose to stop approximately the equal to length from stop to occiput. Fine wrinkle on forehead and cheeks continuing to form dewlaps. Muzzle distinctive feature of breed. Broad and full with no suggestion of tapering. The lips and top of muzzle padded, causing a slight bulge at the base of nose. When viewed from the front , bottom jaw appears wider than top due to padding of lips. Nose large,wide,preferably black ,but any colour conforming to the general coat colour permissible.
Eyes: Dark, medium size, almond-shaped with frowning expression. Amber and Lighter colours permissible in paler shades. Function of eyeball or lid in no way disturbed by surrounding skin, folds or hair. Any signs of irritation of ball, conjunctiva or eyelids highly undesirable. Free from entropion.
Ears: Very small, rather thick , equilaterally triangular in shape, slightly rounded at tip and set high on the skull with tips pointing towards eyes, set well forward over eyes, wide apart and close to skull. Pricked ears highly undesirable
Mouth: Tongue, roof of mouth, gums and flews: solid bluish- black is preferred. Solid pink tongue undesirable. Dogs with self-coloured pigment and amber or light brown eyes would be expected to have a lavender tongue. Teeth strong with a perfect, regular and complete scissor bite, i.e. upper teeth closely overlapping lower teeth and set square to the jaws. Padding of lower lip should not be so excessive so as to interfere with the bite.
Neck: Medium length, strong full, well set on shoulders, with loose skin under neck.
Forequarters: Shoulders muscular, well laid and sloping . Elbows close to the body. Forelegs straight, moderate length,good bone; pasterns slightly sloping, strong and flexible.
Body: Height at withers approximately equal to length from point of shoulders to point of buttock. Depth of brisket approximately half of height at withers. Chest broad and deep, underline rising slightly under loin. Back short,strong. Topline dips slightly behind withers then rises over short, broad loin. Adult dogs should display moderate wrinkling over shoulders and base of tail. Excessive skin on body when mature highly undesirable.
Hindquarters: Muscular, strong, moderately angulated ; hocks well let down without excessive wrinkling or thickening. Feet: Moderate size, compact,toes well knuckled. Fore and hind dew-claws maybe removed
Tail: Rounded, narrowing to a fine point, base set very high. May be carried high and curved, carried in a tight curl, or curved over. Lack of, or incomplete, tail highly undesirable.
Gait/Movement: Free, vigorous and balanced, rear single tracking is normal at a fast trot, stilted gait undesirable.
Coat: Extremely harsh coat, straight and off-standing on the body but flatter on the limbs. No undercoat. Length varies from short and bristly. Under half an inch(1.25cm) or longer and thicker, between half an inch(1.25cm) and one inch(2.5cm), but still off -standing and harsh to the touch. NB: no particular coat length within the acceptable length should be preferred above the other. Never trimmed.
Colours: All solid colours except white are acceptable. Frequently shaded on tail and backs of thighs with lighter colour.
Size: 46-51cms (18-20 ins) at withers.
Faults: Any departure from the foregoing points should be considered a fault should be regarded should be in exact proportion to its degree.
Note: Male animals should have two apparently normal testicles fully descended into the scrotum