38 of the World's Most Dangerous Dog Breeds You Need to Know

3. Rottweiler

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Rottweilers pulled carts and guarded property and livestock. They are intense, intelligent, and highly driven, requiring mental and physical work. Without outlets they may develop frustration that escalates to bites. A mature Rottweiler can deliver an estimated 328 psi bite, far exceeding human jaw force. Consistent training, impulse control practice, and supervised social contact are essential.