Minn. Stat. § 347.03

Any owner or caretaker may kill any dog found chasing, injuring, or worrying sheep or other livestock or poultry owned by or in care of such owner or caretaker, on lands or premises owned or controlled by the owner or caretaker, and any owner or caretaker of sheep may kill any dog found on the owner's or caretaker's premises where sheep are kept, not under human restraint or control.