X-Large Dog Breeds
X-Large Dog Breeds, also known as Giant Dog Breeds, is a dog breed size category known for their large proportions. Characteristically, X-Large Dog Breeds are sweet, gentle, and loyal even though they might be perceived to be intimidating. X-Large Dog Breeds out of all the different Dog Breed Sizes have the most health problems as well as the shortest lifespan of all breeds. Giant Dog Breeds are often more expensive as they require more food, a large living space, and higher veterinary care costs. X-Large Dog Breeds include the Great Dane, Newfoundland, St. Bernard, Irish Wolfhound, and English Mastiff.