Michigan Compiled Laws, Chapter 433. Animals Running at Large § 433.117

Sec. 17. The defendant in any action brought for rescuing beasts distrained or impounded, shall not be allowed to allege or give in evidence the insufficiency of the fences, or any other fact or circumstance to show that the distress or impounding was illegal; but if there is any ground of objection to the proceeding, of which he is entitled to avail himself, he may have the advantage thereof in an action of replevin, to be brought as provided in the following sections.