Question: dog breeds that are protective of their owners?
Answer: Bullmastiff. The Bullmastiff is a large breed dog that is known for its impressive muscular build. ... 
Boxer. Another loyal breed of dog, Boxers are perfect for families with children. ... 
German Shepherd. ... 
Rottweiler. ... 
Doberman Pinscher. ... 
Irish Wolfhound. ... 
Great Dane. ... 
Giant Schnauzer.