Disease Debriefing: retrospective on the VFD experience Clayton Johnson of Carthage Veterinary Service discusses the updated veterinary feed directive and the FDA's new guidance documents for antibiotic use. 14 August 2019 2 minute read By: Clayton Johnson, DVM | Pig Health Today North America Our Partners Lallemand Lanxess Hamlet Protein Thermo Fisher Scientific Axcentive Clayton Johnson, DVM Carthage Veterinary ServiceIntegrated Veterinary Network More from this author Pig Health Today More from this author More Articles View all Leman Swine Conference: New swine research shows therapeutic levels of ceftiofur crystalline free acid in the first hour 15 April 2024 2 minute read Pig outlook — Lean hog futures bulls still in control but need to step up, NPPC lobbying Congress Policy and regulation Government and regulatory Feed commodity markets 12 April 2024 3 minute read Jim Wyckoff reports on the week's global pig news Heritage Feeds Tomorrow: Rick Swalla’s journey as a veterinarian SPONSOR Market Trends Markets and economics Sustainability 9 April 2024 6 minute read Learn more Dr. Swalla's family heritage in the swine industry Our Partners Lallemand Lanxess Hamlet Protein Thermo Fisher Scientific Axcentive