Without the permission of the owner of a privately owned fur-bearing animal described in this part, a person shall not enter the enclosure within which the privately owned fur-bearing animal is kept, or trespass on private ground adjoining such an enclosure and knowingly annoy or disturb the animals. A person shall not knowingly and willfully kill, trap, or injure any fur-bearing animal owned by another person without the consent of the owner. However, a duly authorized peace or conservation officer may enter upon such premises in the performance of his or her regular duties.