4. DOBERMAN PINSCHERS
[dx_custom_adunit desktop_id=”RTK_K67O” mobile_id=”RTK_5yk0″]
A guard dog that is also known as war dog is the Doberman pinscher – a highly trainable breed, says the AKC. These pups are very loyal to their owners and enthusiastic to learn. They’re also famous for remembering their training – so you won’t need to keep repeating the training too often.