Sections 81-4-203 through 81-4-209 are not intended and shall not be interpreted or understood to limit or deny the right now existing to destroy or kill any such animal to prevent injury by it to any person or property.
Killing Animal To Prevent Injury Not Prohibited
Mont. Code Ann. § 81-4-206, under Animals Unlawfully Running at Large.
Mont. Code Ann. § 81-4-206