Michigan Compiled Laws, Chapter 433. Animals Running at Large § 433.14a

Sec. 4a. (1) Swine running at large on public or private property are a public nuisance.

(2) A local animal control officer appointed under the dog law of 1919, 1919 PA 339, MCL 287.261 to 287.290, or a law enforcement officer may kill a swine running at large on public or private property.

(3) A person who possesses a license to carry a concealed pistol issued under 1927 PA 372, MCL 28.421 to 28.435, or a valid hunting license for any game issued under part 435 of the natural resources and environmental protection act, 1994 PA 451, MCL 324.43501 to 324.43561, may kill a swine running at large on public property. A person may kill swine running at large on private property if the person is, or is accompanied by or has the permission of, the owner or lessee of the property.

(4) Subsection (3) does not authorize the discharge of a bow and arrow, crossbow, or firearm in an area where the discharge of that weapon, or hunting with that weapon, is prohibited by an ordinance adopted pursuant to part 419 of the natural resources and environmental protection act, 1994 PA 451, MCL 324.41901 to 324.41905.