New veterinary medication regulations in effect June 11 News staff Come mid-June, many common livestock antibiotics will be more difficult to access. June 11, 2023, marks the start of a new regulation requiring a veterinarian prescription for previously over-the-counter drugs. This new rule is an extension of the existing 2017 Veterinary Feed Directive (VFD), which read more Tri-State Livestock News Reports on New Veterinary Medication Regulations