Big or small, training is an important part of owning a dog. However, some breeds, especially the larger ones, may have a bit of a stubborn streak — such as the bullmastiff. Bullmastiffs are big dogs, ...

The Mastiff’s ancestor, the Molossus, was primitive man’s best friend more than 5,000 years ago. Nowadays, there are more than many wonderfully different breeds found within the Mastiff family. These ...