2015 ORS § 167.385¹
Unauthorized use of a livestock animal
(1) A person commits the crime of unauthorized use of a livestock animal when the person knowingly:
(a) Takes, appropriates, obtains or withholds a livestock animal from the owner thereof or derives benefit from a livestock animal without the consent of the owner of the animal; or
(b) Takes or holds a livestock animal and thereby obtains the use of the animal to breed, bear or raise offspring without the consent of the owner of the animal.
(2) Except as otherwise provided by law, offspring born to a female livestock animal or hatched from the egg of a female livestock animal belong to the owner of the female livestock animal until the owner transfers ownership of the offspring.
(3) As used in this section, livestock animal has the same meaning given that term in ORS 164.055 (Theft in the first degree).
(4) Unauthorized use of a livestock animal is a Class A misdemeanor.
(5) In addition to any criminal sanctions, if a defendant is convicted of the crime of unauthorized use of a livestock animal under this section, the court shall order the defendant to pay restitution to the owner of the animal. [1993 c.252 §1]