Wyo. Stat. Ann. § 11-19-201
(a) As used in this act:
(i) 'Dairy animal' means any cow, sheep or goat, the milk or milk products from which is sold or used for human consumption;
(ii) 'Livestock animal' means as defined in W.S. 11-29-101(a)(vi);
(iii) 'This act' means W.S. 11-19-201 through 11-19-215.