> The most dangerous aspect is that the effect of these chemicals is
> cumlative.  They "build up" in the systems of mammals with every exposure
     A quick search of'coumaphos' on Yahoo came up with the statement (from
memory)"  because of its low toxicity to mammals it is approved by the USDA as
an ingredient in chicken food to control parasites"Seems to be some
disagreement by gov. regulators.That said,where theres smoke there is usually
some fire,so every person should make up there own mind from the best available
info.Havent checked your links yet,but will.With coumo resistant mites now
being reported from several areas of USA,it will soon be irrelelevant
anyway.Best be thinking ahead..
-Mike




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