Under the VFD Final Rule, the overall purpose is to limit antimicrobial use to what?

• A. Growth promotion only
• B. Therapeutic uses with veterinary oversight
• C. Non-therapeutic applications
• D. Herbal alternatives

Answer: (B)

The rule is about governing how antimicrobials in animal feeds are used, tying their use to disease treatment under a veterinarian’s oversight. In practice, this means antimicrobials in medicated feed can only be used for therapeutic purposes—treating, preventing, or controlling disease—with a licensed veterinarian issuing and supervising the use through a Veterinary Feed Directive order. This oversight ensures the drugs are used responsibly, with appropriate diagnosis, withdrawal times, and consideration of animal health, which helps curb antimicrobial resistance.

Growth promotion or production-boosting uses are not permitted under this framework, and non-therapeutic applications fall outside the rule’s intended use. Herbal or non-antimicrobial alternatives aren’t the focus of this regulation, which centers on medically important antimicrobials and veterinary-directed therapy.