Mont. Code Ann. § 45-8-217
Aggravated animal cruelty
45-8-217 . Aggravated animal cruelty. A person commits the offense of aggravated animal cruelty if the person purposely or knowingly:
(1) kills or inflicts cruelty to an animal with the purpose of terrifying, torturing, or mutilating the animal; or
(2) inflicts cruelty to animals on a collection, kennel, or herd of 10 or more animals.