Mo. Rev. Stat. § 267.110: Veterinarian to investigate on petition.

Such petition may be forwarded by mail or otherwise, as the petitioners may elect, to the director of agriculture, who shall cause a thorough investigation to be made by or under the direction of the state veterinary surgeon or his deputies. Such investigation may be ordered without application by petition if upon satisfactory information it is thought the presence of the veterinarian is necessary to the protection of the livestock interests of the state from contagious or infectious diseases.