Bernese Mountain Dog (Berner Sennenhund) - large breed of dog from the Swiss Alps. This mountain dog was originally kept as a general farm dog for guarding property and to drive dairy cattle long distances from the farm to the alpine pastures.
Alaskan Malamute one of the oldest known breeds is a generally a large breed of domestic dog (Canis lupus familiaris) originally bred for use hauling heavy freight because of their strength and endurance, and later an Alaskan sled dog
Greater Swiss Mountain Dog breed is large and heavy-boned with great physical strength, but is still agile enough to perform the all-purpose farm duties it was originally used for. Its breed standard calls for a black, white, and rust colored coat.