Top Guard Dogs
Bull mastiff
Doberman pinscher
Rottweiler
Komondor
Puli
Giant schnauzer
German shepherd
Rhodesian Ridgeback
Kuvasz
American Staffordshire terrier
Top Watch Dogs
Rottweiler
German shepherd
Scottish terrier
West Highland white terrier
Miniature schnauzer
Yorkshire terrier
Cairn terrier
Chihuahua
Airedale terrier
Poodle (standard/miniature)
The Worst Watch Dogs
Bloodhound
Newfoundland
Saint Bernard
Basset hound
Bulldog
Old English sheepdog
Clumber spaniel
Irish wolfhound
Scottish deerhound
Pug
Coren said most of the top guard dog breeds were manipulated though breeding for strength and size.
The bull mastiff, for example, was "designed to be heavy enough to knock a man down, but still fast enough to reach him if he's running away," Coren said.
The Doberman, the breed most often found in department stores after hours, was first bred by an Austrian tax collector who wanted to create an independent guard dog. They don't need to hear a command from their masters to react.
The Rottweiler, ranked third because of its awesome jaw strength, is, pound for pound, the strongest dog there is, Coren said. He considers its jaw, with a bite strength of 2,000 pounds per square inch, a lethal weapon.
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