Mich. Comp. Laws § 750.69

Sec. 69. Rescuing animals—Any person who shall rescue any cattle, horse, mule, sheep, swine or goat when impounded, or while being driven or taken to the pound or other place of custody by any officer or person in charge of such animals, or while such animals are shut up by and in the custody of any person for trespassing upon premises, or for running at large contrary to law, shall be guilty of a misdemeanor.