Wyoming Statutes

Wyo. Stat. § 11-19-111 (2026)

Regulation of importation of animals;

✓ current as of May 2026

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prohibited acts; penalties; applicability.

     (a) The governor, upon recommendation of the Wyoming
livestock board, may regulate by proclamation the importation
into Wyoming from any other state any animal, blood,
microorganism or biologic agent capable of causing any disease
affecting livestock or other animals, or any other item
suspected of being infected or contaminated with biologic agents
capable of causing animal disease, except under such conditions
as he deems proper for the protection of the livestock,
livestock animals as defined in W.S. 11-29-101(a)(vi) and other
domestic animals of Wyoming. All requirements in the governor's
proclamation shall be enforced by the Wyoming livestock board.

     (b) After a proclamation is issued by the governor it is
unlawful for any person to import into Wyoming or receive
imports within this state from any other state any animal,
blood, microorganism or biologic agent capable of causing any
diseases affecting livestock or other animals, or any product or
item suspected of being infected or contaminated with biologic
agents capable of causing animal disease, except under such
conditions as may be imposed by the proclamation. Any person who
violates this section shall be punished as provided in W.S.
11-1-103. The violator is civilly liable for all damages and
loss sustained by any person by reason of violation of the
proclamation.

     (c) The proclamation authorized by this section shall not
prohibit the transportation of animals through Wyoming by
railroad as long as the animals are not unloaded in this state.

     (d) The state veterinarian may inspect, treat, test,
vaccinate, quarantine or sell any livestock or other domestic
animals imported into Wyoming in violation of W.S. 11-19-111 or
any rules promulgated thereunder. Any order or regulation made
by the state veterinarian is subject to review, modification or
annulment by the governor or the board at any subsequent
meeting.

     (e) An order of the state veterinarian under subsection
(d) of this section shall be subject to appeal and due process
as provided in W.S. 11-19-103.

Notes of Decisions

Cited in 1 case, 1989–1989 · leading case: Mendicoa v. State, 780 P.2d 1346 (Wyo. 1989).

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Mendicoa v. State, 780 P.2d 1346 (Wyo. 1989). · cites it 10× “On a petition for review on certiora-ri from the county court, after an initial appeal to the district court, petitioner Modesto Mendicoa (Mendicoa) seeks reversals of his convictions on two counts of “importing” livestock into Wyoming without valid health certificates, in…”

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