Idaho Code § 25-1901: Altering marks and brands.

Every person who marks or brands, alters, conceals, disfigures, obliterates, or defaces the mark or brand of any horse, mare, colt, jack, jennet, mule, bull, ox, steer, cow, calf, sheep, goat, hog, shoat or pig belonging to another, with intent thereby to steal the same or to prevent identification thereof by the true owner, shall be guilty of a felony.