Lamprey treatment kills fish in River
Written by Associated Press   
Saturday, 09 September 2006 08:26

A number of salmon are dead in the Betsie River from a toxic chemical meant to target the parasitic sea lamprey. The U-S Fish and Wildlife Service was treating the Benzie County river last night, as it does every four years to combat the lamprey invasion.

Lamprey attach themselves to fish and suck out their bodily fluids.

The chemical is called T-F-M. It's meant to kill lamprey larvae ... but not the fish they attack.

But an agency official says the P-H level apparently dropped enough during the treatment to boost the chemical's toxicity. That made it deadly for salmon as well.

It happened at a bad time for area resorts, many which are packed with anglers during spawning season.

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