The efficiency of gastric lavage for the removal of stomach contents of two species of fish was tested at The Pennsylvania State University in 1981. This technique was effective for 98% of the brook trout (Salvelinus fontinalis) examined, and 100% for slimy sculpins (Cottns cognatus). No mortality occurred in either species during the 3-week post-lavage period
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Light et al. (1983) studied this question.
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