Wagyu is a Japanese beef cattle breed. It is a descendent from native Asian cattle. In Japanese 'WAGYU' translates as ‘Japanese cow’, Wagyu were former draft animals used in agriculture, therefore selected for their physical endurance. Animals with more intramuscular fat cells 'marbling' were selected. The marbling provides a readily available energy source increasing their endurance. Wagyu can be black or red and are a horned breed. Now Wagyu are a beef breed and not used for agricultural work in the field.