Here's a study done by both Johns Hopkins University and Arizona State University. Another job well done by the FDA.
Evidence of Banned Antibiotics in Poultry Products article by Johns Hopkins and Arizona State
ABC Channel 4 News Salt Lake City, UT news article
Will it ever end? Of course the Poultry Council disagrees with the study. What I couldn't find, and didn't have time to research, was what brand of feed they are providing the chickens. I'd like to know.