Laboratory studies on possible fish-collecting aids with some toxicities for the isomers of cresol
1969
Howland, Robert M.
The relative merits of several different chemical agents as collecting agents were determined in a lotic system under laboratory conditions at 12 degrees Centigrade. The materials tested were quinaldine, McNeil-JR-7464, and three isomers of cresol. Efficacy and toxicity were tested. In general, the cresols were determined to be too harsh physiologically to warrant further development as fish-collecting agents. MS-222 did not induce surfacing and required high concentrations for total incapacitation. Quinaldine may be useful in collecting fish in small streams with rapid flow, but its physiological effects need elucidation. McNeil-JR-7464 does not induce surfacing, but is effective at low concentrations and appears to have desirable characteristics as a fish-collecting agent which merits further investigation.
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