As used in this chapter, except as provided in ORS 596.615 to 596.681:
(1) “Department” means the State Department of Agriculture.
(2) “Disease” means any disease of livestock which may be transmitted or communicated through direct or indirect contact from one animal to another, including those diseases transmitted by or through livestock to humans.
(3) “Livestock” includes, but is not limited to, horses, mules, jennies, jackasses, cattle, sheep, dogs, hogs, goats, domesticated fowl, psittacines, ratites and domesticated fur-bearing animals.