Idaho Code § 25-214A

All motor vehicles and trailers transporting livestock into the state of Idaho are hereby required to stop at Idaho ports of entry or checking stations established by the Idaho transportation department, and which are located on the highway upon which the livestock are being transported, and submit to inspection for compliance with the livestock entry requirements of the state of Idaho. For the purposes of this chapter, the term livestock shall include bovidae, suidae, equidae, captive cervidae, captive antilocapridae, camelidae, ratitidae, gallinaceous birds and captive waterfowl.