Hamburger such as , due to the occasional initial improper preparation of the meat, so caution is needed during handling and cooking. Because of the potential for food-borne illness, the USDA recommends hamburgers be cooked to an internal temperature of . If cooked to this temperature, they are considered well-done. Burgers can also be made with patties made from ingredients other than beef. For example, a "turkey burger" uses ground turkey meat, a "chicken burger" uses ground chicken meat. A "buffalo burger" uses ground meat from a bison, and an "ostrich burger" is made from ground seasoned ostrich meat. A deer
Hamburger University would move its U.S. and world headquarters including Hamburger University from its long time home in Oak Brook to a newly built complex on property which formerly housed Oprah Winfrey's Harpo Studios in Chicago. Starting in 2017 McDonald's put up for sale or sold most of its Oak Brook campus. Hamburger University was satirized in the 1986 comedy, "Hamburger... The Motion Picture". It was also spoofed by McDonald's itself in a commercial with Ronald McDonald in which several animatronic hamburgers were shown graduating from school. Hamburger University Hamburger University is a training facility of McDonald's, located in Oak Brook, Illinois,