KFC is making a big change to its menu (YUM)

Justin Sullivan / Getty Yum Brands Inc's U.S. KFC chain plans to curb the use of antibiotics in its chicken supply, making it the last of the big three chicken restaurants to join the fight against the rise of dangerous antibiotic-resistant bacteria known as superbugs. KFC, the second-biggest U.S. chicken chain by sales after privately held Chick-fil-A, is giving its U.S. poultry suppliers until the end of 2018 to stop using antibiotics important to human medicine. Some 70 percent of antibiotics...