It shall be unlawful for any owner, person, firm, corporation, or association having the management or control of any stallion, ridgeling, unaltered male mule, or jackass over the age of 1 year to permit or suffer such animal to run at large on the open range.
Male Equine Animals Not To Run On Open Range
Mont. Code Ann. § 81-4-204, under Animals Unlawfully Running at Large.
Mont. Code Ann. § 81-4-204