Dr. Dan Thomson visits with Dr. Greg Hanzlicek, the Director of Production Animal Field Investigation at the Veterinary Diagnostic Laboratory at Kansas State University.  Dr. Hanzlicek discusses his role as the bridge between animal experts at K-State and the producers and practitioners in the field.  Then he and Dr. Thomson talk about milk production, including what it is tested for, how it is tested, and what producers do to keep our milk supply safe.