Antibiotic Policy Movements Dr. Liz Wagstrom, DVM, Chief Veterinarian, National Pork Producers Council, provides updates on the policy and legislative discussions that are continuing in D.C. and at the state level. The hot topic is antibiotic label claims, use, and regulation. Dr. Wagstrom believes that the use of antibiotics in animal agriculture will change in the next 3 to 5 years. [Photo by Eric Erbe, Colorization by Christopher Pooley. USDA]