Reader disagrees with use of chemical

10/28/11 - 7:43am

Oct. 14's Clarion Refuge Notebook on "Pike Stoppers" needs clarification regarding the use of the toxin rotenone to kill unwanted pike in lakes and streams.

1. Rotenone at undetectable levels is used in laboratories to cause Parkinson's disease in lab rats. (Obviously there have been no lab tests on humans to gauge human levels needed to induce Parkinson symptoms.)

Pike-killing toxin a concern for humans

06/03/11 - 7:55am

Your recent article on Stormy Lake and the pike “infestation” (Peninsula Clarion, May 27) bears correction. (I did attend one of the meetings regarding Stormy Lake.)

The use of the toxin, rotenone, was presented as a means of killing the pike in Stormy Lake. In your article, rotenone was cited as being “non-toxic to mammals and birds” and not a threat.” To the contrary, rotenone is used to introduce Parkinson’s disease in lab animals. Undetectable amounts were found to cause symptoms of this disease.

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