Regular ground turkey has seven to 10 percent of fat ground into the meat. Lean ground turkey has three percent fat, and ground turkey breast has one percent fat content. When cooking turkey in any form, it is important to cook it to the proper internal temperature of 165 degrees Fahrenheit. Posted on July 19, 2013 by Julie Moberg, Michigan State University Extension. In the American diet today, it is important to work on reducing the amount of saturated fats consumed.