Any owner of livestock who intentionally or knowingly permits the same to run at large or stray upon the public roads of this state or any property not belonging to the owner of the livestock unless by permission of the owner of such property, or any person who shall release livestock, after being impounded, without authority of the impounder, shall be guilty of a misdemeanor and, upon conviction thereof, shall be punished by imprisonment in the county jail not exceeding six months, or by fine not exceeding $500.00, or by both fine and imprisonment.