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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Charles Linder <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Fri, 11 Aug 2017 11:15:53 -0500
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There was no effect on mites from vaporization of OA once it had recrystallized--the mites must contact the crystals.

Randy,  can you explain that differently?  Not following what your trying to say there?





Of even more interest is that mites suffered the highest mortality after feeding on bees that had consumed OA in syrup (I wouldn't be surprised if we find that they also consume some when grooming themselves).  The mortality of mites was substantially higher for those placed on bees that had directly consumed dribble syrup than for those on bees that had been trickled or vaporized.

That’s interesting,  makes one wonder if there is a OA level that can be applied in food that’s really hard on mites but  less than the current  values known to be hard on winter bees.


Charles

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