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Date: | Fri, 3 Mar 2023 10:35:34 -0800 |
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> I have never heard of any hive equipment being condemned for CheckMite
contamination
There was quite a bit of coumaphos contamination of commercial combs from
off-label use of a cattle product, resulting in mountains of combs being
burned.
But although coumaphos residues in beeswax can result from the legal use of
Checkmite, the research that I've seen has not clearly linked it to health
issues in the hives. That said, many of us choose not to contaminate our
combs with a persistent (non-degrading) organophosphate insecticide, nor
other beeswax-contaminating chemicals.
There is plenty of ground for argument regarding using miticides in
colonies. I reluctantly have used persistent xenochemicals on a very
limited basis for research projects, but find them unnecessary for adequate
varroa control in our operation as a whole.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
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