Wyoming Statutes

Wyo. Stat. § 11-19-101 (2026)

Duties of state veterinarian generally; failure

✓ current as of May 2026
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to comply with provisions; penalty.

     (a) The state veterinarian shall investigate all cases of
dangerously contagious or infectious diseases among domestic
animals in this state which are brought to his notice. In the
absence of specific information, he shall make inspections of
any locality where he has reason to suspect there is any
contagious or infectious disease. He shall order that all
animals affected with, exposed to or suspected of being affected
with such diseases be gathered and quarantined. No animals
pronounced affected with a dangerously contagious or infectious
disease by the state veterinarian or his deputy or agent shall
be turned loose, removed or permitted to escape, but shall be
held subject to the order of the state veterinarian. All animals
ordered gathered shall be gathered within a reasonable time
specified by the state veterinarian.
     (b) The state veterinarian may inspect, treat, test,
vaccinate, quarantine or sell any animal imported into Wyoming
in violation of W.S. 11-19-111 or any rules promulgated
thereunder.

     (c) Any person failing to comply with this section shall
be punished as provided in W.S. 11-1-103.

     (d) The state veterinarian may provide contagious and
infectious reportable disease testing, containment and
reimbursement services under this chapter to any livestock
producer in Wyoming, including on the Wind River Indian
Reservation who agrees to comply with the applicable program
requirements, rules and any orders or regulations issued
pursuant to the testing results or program requirements.
Services on the Wind River Indian Reservation under this
subsection may also be provided pursuant to a cooperative
agreement entered into by the Wyoming livestock board, in
consultation with the state veterinarian, and the Eastern
Shoshone Tribe, the Northern Arapaho Tribe or the cooperative
tribal governing body. The testing, containment and
reimbursement services provided under this subsection shall not
apply to bison designated as wildlife pursuant to W.S. 11-20-
101(a)(iv).
Notes of Decisions
Cited in 3 cases, 1993–1999 · leading case: Parker Land & Cattle Co. v. Wyoming Game & Fish Comm'n, 845 P.2d 1040 (Wyo. 1993).
Parker Land & Cattle Co. v. Wyoming Game & Fish Comm'n, 845 P.2d 1040 (Wyo. 1993). · cites it 5× “Today, the provisions of Wyo.Stat. §§ 11-19-101 through 506, dealing with contagious and infectious diseases among livestock, continue the legislative purposes first begun with the territorial legislation of 1882 and implement the constitutional directive of Wyo.”
Vigil v. Ruettgers, 887 P.2d 521 (Wyo. 1994). “9-1-701 through 9-1-707 when enforcing W.S. 11-19-101 through 11 — 24— 115 and 11-29-101 through 11-30-113 and any laws prohibiting theft or mutilation of livestock or any part thereof.”
Peterson v. Wyoming Game & Fish Comm'n, 989 P.2d 113 (Wyo. 1999). “9-1-701 through 9-1-707 when enforcing W.S. 11-19-101 through 11-24-llo and 11-29-101 through 11-30-113 and any laws prohibiting theft, killing or mutilation of livestock or any part thereof; * * * (G) Any superintendent, assistant superintendent or full-time park ranger of any…”
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