Ohio Revised Code Title IX. Agriculture Animals Fences § 942.03

(A) Upon receipt of a complaint or on the director of agriculture's own initiative, the director may investigate violations of section 942.02 of the Revised Code and make inquiries into any alleged violations as are necessary to secure compliance with this chapter and orders issued under it.

(B) With the consent of the owner of a premises, lessee of a premises, or the owner, keeper, or harborer of a swine that is kept or harbored on a premises, the director or the director's authorized representative may enter at all reasonable times on any premises where swine are kept or harbored for the purpose of determining compliance with section 942.02 of the Revised Code.  If the director or the director's authorized representative is denied access to the premises and suspects that section 942.02 of the Revised Code is not being complied with, the director may apply for a search warrant authorizing access from a court of competent jurisdiction.  The court shall issue the search warrant if there is probable cause.  Probable cause may be based on hearsay, provided that there is substantial basis for believing the source is credible and there is factual basis for the information.

(C) Upon entering a premises in accordance with division (B) of this section, the director or the director's authorized representative shall observe biosecurity measures in order to prevent spreading disease and infecting livestock.