Browse resources Displaying 1 - 1 of 1 resources Credit: Scott Duggan (Cropped from original) Over-the-counter sale of livestock antibiotics ends June 11, 2023. How can you prepare? Federal rules in 2023 end the over-the-counter sale of some livestock antibiotics. You will need prescriptions from a veterinarian to treat your animals. Charles Estill | Mar 2023 | Article Peer reviewed (Gray level)