The Dogue de Bordeaux, Bordeaux Mastiff or French Mastiff is a breed of dog that is strong, powerful, and imposing. The Dogue de Bordeaux is one of the most ancient French breeds. They are a typical brachycephalic molossoid type. Bordeaux are very powerful dogs, with a very muscular body yet retaining a harmonious temperament. The breed has been utilized in many different forms, from using their brawn to pull carts or haul heavy objects, to guarding flocks and used to protect castles of the European elite.