rasstandaard

General Appearance	Being that of a great, powerful dog showing strength, endurance, and alertness. Powerfully built, but active.
Size & Weight	Males should be 23 to 28 inches at withers and weigh 90 to 150 pounds. Females are to be 20 to 26 inches an withers and weigh 70 to 130 pounds. (slightly larger or smaller is not a fault.)
Head	Expression--intelligent with keen alertness. The head should be square or have a round basketball look, and well muscled. The "stop" should be deep and abrupt.
Muzzle	Should be broad, not long and narrow. Length of "muzzle" not less than 1 inch to not more than 3 inches (preferred length 2 to 2 1/2 inches).
Bite	At least 1/4 to 1 inch (undershod) depending on size of dog and shape of head.
Eyes	Almond shaped to round, medium sized. Normal color: brown. Acceptable colors: gray, green, or light blue.
Ears	Small to medium, carried close to the head, or rose ears.
Neck	Slightly arched; of moderate length. Very muscular-almost equal to the head in size.
Body	Fairly compact with wide deep chest. The loin is wide, muscular and slightly arched.
Tail	Strong at the root and tapering to the hocks (normal relaxed position), however, many will carry their tails over their backs, especially when excited or walking.
Coat	Short and soft.
Color	Solid white, all shades of brindle (white, red, yellow, blue, brown, black, or gray); red and white; fawn and white; brown and white, mahogany and white; cream and white.
Forequarters	The combined front assembly from its uppermost components, the shoulder blades, down to the feet should be muscular and slightly sloping. The "forelegs" are to be straight. Bone structure should be medium to heavy, to be able to carry a large dog.
Hindquarters	Broad with muscles tapering well down the leg to show speed and strength, but not quite as large as shoulder.
Disqualifications	Full black mask; cow-hocked; splayfooted; even and scissors bite; glass eye(s); docked tail can be registered, but will be prohibited from the "show ring".