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Poison to be used in fight against Asian carp

November 16, 2009 By The Associated Press JOHN FLESHER (AP Environmental Writer)

TRAVERSE CITY, Mich. (AP) — Thousands of fish may die when poison is dumped into a canal near Lake Michigan, but it's necessary to prevent an onslaught of Asian carp that could devastate the $7 billion Great Lakes sport fishery, officials said Monday.

Rotenone, a toxin derived from tropical plant roots, will be applied next month to a nearly 6-mile section of the Chicago Sanitary and Ship...

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