Flyfisheress
The Elk river hatchery is down the road from my cabin. They usually raise a couple of raceways of rainbows closest to the building to full adult size. They release them in Port Orford Lake and a few other places. All the rest are salmon and steelhead smolts.
https://kcby.com/outdoors/novel-parasite-detected-in-trout-at-three-oregon-fish-hatcheries
https://kcby.com/outdoors/novel-parasite-detected-in-trout-at-three-oregon-fish-hatcheries