Feeding by hatchery‐ and pond‐reared brown trout,Salmo truttaL., fingerlings released in a lake and in a small stream

摘要

Abstract.Fingerling (O+) brown trout,Salmo truttaL., pond‐reared on natural food or hatchery‐reared on artificial food started feeding immediately following their release into a lake or a stream. There was no difference in feeding ability between the hatchery‐ and the pond‐rear