Okla. Stat. tit. 2, § 2-6-135: Restrictions on biological products

No biological products, including but not limited to antigens,

used to immunize, test, or treat livestock or animals for foreign

animal diseases shall be manufactured, produced, transported,

distributed, sold, offered for sale, or possessed in this state

unless the biological product has been licensed or permitted by the

United States Department of Agriculture, and approved by the State

Veterinarian. Biological products shall be administered or used

only by those persons approved by the State Veterinarian.