
Angus cattle, known as Aberdeen Angus in most parts of the world, are a breed of cattle commonly used in beef production. They were developed from cattle native to the counties of Aberdeenshire and Angus in Scotland.
Angus beef develops with better marbling than most cattle. Marbling is the amount of
intramuscular fat. Most people agree that marbling improves flavour, tenderness, and keeps meat moist while cooking (especially at high temperatures).
Starting in the early 2000s, the American fast food industry began running a public relations campaign to promote the supposedly superior quality of Angus beef. Beginning in 2006, McDonald's commenced testing on hamburgers made with Angus beef in several regions in the US. After this test, the company said that customer response to the burgers was positive and began selling the burger made with Angus beef in all US locations in July 2009.