Miss. Code Ann. § 69-17-3: Miss. Code Ann. § 69-17-3

No person, firm or corporation shall sell or offer for sale any biologics, drugs, remedies, tonics, medicine or other health preparation in the State of Mississippi designed for or to be administered to any livestock, poultry or any other animals until same has been registered with and approved for distribution by the board of animal health as herein provided for. Nothing in this article shall be construed to prevent the sale of any antibiotics by any concern to farmers or livestock owners.