Old english mastiff. PuppyFind

Providing enough socialization. HEALTH ISSUES: The Mastiff suffers from a number of health problems. 0 ms• The AKC Standard says, "A combination of grandeur and good nature, courage and docility. The English Mastiff The English Mastiff is officially the heaviest dog breed in the world. However, the Mastiff continued to be the primary bear baiting dog until 1835, when both sports were banned by parliament.