Minn. Stat. § 604A.12
Subd. 1. Definitions.
(b) "Inherent risks of livestock activities" means dangers or conditions that are an integral part of livestock activities, including:
(d) "Livestock activity" means an activity involving the maintenance or use of livestock, regardless of whether the activity is open to the general public, provided the activity is not performed for profit. Livestock activity includes:
Subd. 2. Immunity from liability.
Except as provided in subdivision 3, a nonprofit corporation, association, or organization, or a person or other entity donating services, livestock, facilities, or equipment for the use of a nonprofit corporation, association, or organization, is not liable for the death of or an injury to a participant resulting from the inherent risks of livestock activities.
Subd. 3. Exceptions.
Subdivision 2 does not apply if any of the following exist:
Subd. 4. Posting notice.
A livestock activity sponsor shall post plainly visible signs at one or more prominent locations in the premises where the livestock activity takes place that include a warning of the inherent risks of livestock activity and the limitation of liability under this section.