Source: Lydia Zuraw, FOOD SAFETY NEWS, 3/14/14
 
The issue of antibiotics in animal feed reared its head again Thursday as U.S. Sen. Elizabeth Warren (D-MA) questioned Food and Drug Administration Commissioner Margaret Hamburg about the effectiveness of Guidance 213 during a Senate Committee on Health, Education, Labor and Pensions (HELP) hearing.

For more of this story, click here.