Changes on Antibiotic Usage - Background, Now, And January 1 Richard Sellers, American Feed Industry Association, highlights how the Veterinary Feed Directive idea was developed and where it is today. Mr. Sellers also explains the timeline and some of the current hurdles to being ready for January 1, 2017. His main take away is be proactive and be flexible [video].Changes on Antibiotic Usage - Background, Now, And January 1 Richard Sellers, American Feed Industry Association, highlights how the Veterinary Feed Directive idea was developed and where it is today. Mr. Sellers also explains the timeline and some of the current hurdles to being ready for January 1, 2017. His main take away is be proactive and be flexible [video].