Mo. Rev. Stat. § 269.190: Inspection of plants.

The state veterinarian, in person or by anyone authorized by him, shall inspect each plant and place licensed under this chapter at least once each year, and as often as he may deem necessary, and shall see that the licensees and all other persons comply with this chapter and conduct such business in conformity with this chapter and the rules and regulations made and published by him pursuant thereto.