What does Guidance 213 and the Veterinary Feed Directive (VFD) Rule mean on the farm? - Dr. Scott Stehlik, D.V.M., director, technical operations, The Maschhoffs, from the 2015 World Pork Expo, June 3 - 5, 2015, Des Moines, IA, USA. More presentations at http://www.swinecast.com/2015-world-pork-expo