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EPA agrees to tackle the feminization of wild fish http://apocadocs.com/s.pl?1246708411
It took a lawsuit, but the EPA today announced the first step toward regulating a chemical that can cause male fish to develop female sex characteristics. The chemical, nonylphenol ethloxylate (NPE), is used in cleaning products and detergents.
Studies show that NPEs can change the biology of male fish so they grow female eggs at very low levels, said Albert Ettinger of the Environmental Law and Policy Center, in a statement. "The EPA ignored these studies because there was insufficient evidence of the impact on fish reproduction."... Other well-known sources of estrogen and estrogen-mimicking compounds, also called "endocrine disruptors," are birth control pills, hormone replacements and hormones from livestock operations discharged from wastewater treatment plants.... U.S. Geological Survey researchers first found "intersex" fish locally in 2003 in the Potomac and Shenandoah rivers. Since then, the number of these fish has increased year after year, and they are found most often near agricultural or high population areas.
In April, the U.S. Fish and Wildlife and the USGS released a study that showed at least 82 percent of male smallmouth bass and 23 percent of the largemouth bass in the Potomac watershed have immature female germ cells in their reproductive organs.
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[Read more stories about:
endocrine disruptor, contamination, hermaphroditic creatures]
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'Doc Michael says:
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Those largemouth bass need to catch up! Less than a quarter feminized? Pfft.
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