Oregon Revised Statutes Commercial Fishing and Fisheries § 506.211

(1) Subject to subsection (2) of this section, the State Fish and Wildlife Commission may acquire by gift or purchase, and may acquire by capture or otherwise in this state, any fish, eggs or larvae thereof for propagation, experimental or scientific purposes.

(2) The commission or any other person authorized by it who takes salmon eggs from the waters of the Rogue River for the purpose of supplying the various hatcheries of this state, shall return at least 40 percent of the fish hatched from the eggs to the Rogue River.