Wyo. Stat. § 11-18-113: When state veterinarian authorized to enter premises or vehicle to inspect livestock.

In the performance of their official duties, the state veterinarian or any agent or officer of the Wyoming livestock board may enter any place or vehicle used for the treatment, retention or transportation of livestock, including poultry, or where he has reason to believe any livestock affected with or exposed to infectious, contagious or communicable diseases may be found.