The Michigan law concerning the treatment of animals from 1838. The law states the punishment for the crime, and factors for determining if the crime has occurred.
OFFENCES AGAINST CHASTITY, MORALITY, &c.
Sec. 22. Every person who shall cruelly beat or torture any horse, ox or other animal, whether belonging to himself or to another, shall be punished by imprisonment in the county jail not more than one year, or by fine not exceeding one hundred dollars.