Pit Bulls (Weight: 55-65 lbs.) US

2. Rottweilers (Weight: 100-130 lbs.) GERMANY

3. German Shepherds (Weight: 70-100 lbs.) GERMANY

4. Huskies (Weight: 44-66 lbs.) ALASKA

5. Alaskan Malamutes (Weight: 75-100 lbs.) NORDIC

6. Doberman Pinschers (Weight: 65-90 lbs.) GERMANY

7. Chow Chow (Weight: 50-70 lbs.) CHINA

8. Presa Canario ( Weight: 80-115 lbs.) CANARY ISLAND

9. Boxer (Weight: 50-70 lbs.) GERMANY

10. Dalmatian (Weight: 40-70 lbs.) YUGOSLAVIA