Dog owner Matt Odabashian told Newsweek that he visits his mother's house between one and three times a week, always bringing along his Boerboel ... Mastiff-like dogs can weigh between 150 ...

As with other large dogs, they are prone to bloat, organ, joint stresses and epilepsy. The Boerboel lives about 10 years. This South African mastiff is one of the healthier dogs in the mastiff ...

Seven new breeds are joining this year's competition, beginning Feb. 15 in New York City. From a 185-pound Boerboel to a 20-pound Cirneco dell'Etna, PEOPLE breaks down the new breeds you'll see ...