In response to the test in the US, McDonald's Australia began selling two Angus burgers, the Grand Angus and the Mighty Angus, using Australian-bred Angus, in their restaurants. The American Angus Association created the "Certified Angus Beef" (CAB) standard in 1978. The purpose of this standard was to promote the idea that Angus beef was of higher quality than beef from other breeds of cattle. Cattle are eligible for "Certified Angus Beef" evaluation if they are at least 51% black and exhibit Angus influence, which include black Simmental cattle and crossbreds. However, they must meet all 10 of the following criteria, which were refined in January 2007 to further enhance product consistency, in order to be labelled "Certified Angus Beef" by USDA Graders:     Unless otherwise stated, the associations below register both red and black animals. Australia:  Canada:  Denmark:  New Zealand:  Portugal  US: