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Strongest dog bites

Updated June 07, 2017

Dog bite force is measured in pounds per square inch, or PSI. Both Dr. Brady Barr and Joe Camp conducted studies to measure bite force and highlighted their findings for National Geographic. Using digital bite meters to measure the bite force of several members of the canine family, the tests concluded that larger, more muscular dogs are capable of biting with more force than smaller dogs.

Mastiff

At 556 PSI, the bite force of mastiffs is most powerful of all the breeds tested. These dogs are some of the largest domesticated breeds, and weigh between 68 and 72.6 Kilogram. Despite their large and muscular frames, mastiffs form family bonds and enjoy the company of people, which is why they are often referred to as "gentle giants."

Rottweiler

Rottweilers have a strong bite force, with the highest test value measuring at a whopping 328 PSI. These dogs measure from 22 to 27 inches at the shoulder, and weigh up to 59 Kilogram. Rottweilers are willing workers, whether for the police or guarding your home, and because of their size and strength, must be trained as puppies. Although generally docile and friendly, the Rottweiler's shortened muzzle and wide mouth allow for a potentially dangerous bite.

German Shepherd

German Shepherds are popular within police and military task forces because they are highly trainable, intelligent dogs. Shepherds assist law enforcement in several ways, including searching public places for drugs and explosives and following a person's scent in search and rescue missions. German Shepherds have a bite force of up to 238 PSI, which is quite impressive, since the dogs average 34 to 38.6 Kilogram.

American Pit Bull Terrier

With a recorded bite force of 235 PSI, pit bull terriers bite at only 71 per cent of the strength of Rottweilers. Pit bulls have a false reputation for being a dangerous breed, and evoke more irrational fear than any other domesticated dog. Contrary to the myth, this muscular breed has a mild temperament, and if raised like any other house pet, can make a loyal addition to the family.

Dutch Shepherd

The bite force of Dutch Shepherds measured 232 PSI. Dutch Shepherds are known for their agility and intelligence; like their German cousins, they are used by the police and military to sniff out drugs, bombs and people. They make excellent guard dogs, whether they are keeping out human or animal intruders, yet Dutch Shepherds form a loyal bond with their families and frequent house guests.

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About the Author

Vanessa Allison has been writing since 2002. Her work is published in regional print sources, such as "East Coast Ink" and "Klutch," as well as the online skateboard switchmagazine.com. Allison received both her Bachelor of Arts and Master of Arts in English at the University of North Carolina at Wilmington.