Oxen are a type of domesticated animal that have been used for centuries as a source of labor and transportation. A YOKE is a wooden beam that is placed across the necks of two oxen to allow them to pull a plow or wagon. CATTLE are a type of large domesticated animal, often used for their meat, milk, and hides. YAKS are a species of wild bovine native to the Himalayas and Central Asia. Steers are castrated male CATTLE that are raised for their meat. Oxen are a type of bovine, related to CATTLE, YAKS, and steers, that have been used for centuries as a source of labor and transportation.