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Informed Discussion of Beekeeping Issues and Bee Biology

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Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 30 Jan 2017 18:27:10 +0000
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Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
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Subject:
Re: OK to Treat with OA Vapor in Winter?
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From:
Marcin Matelski <[log in to unmask]>
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Hi Lawrence,

I've been told that oxalic acid vaporization is not as effective when it's 37 F or less. Having said that I did this treatment to a number of hives in November when it was 35F and noticed very good mite drops when checked the inspections boards 3 days later. The treatment also "woke" the bees up. I could hear the bees standing few feet away from the hives. A few of the hives have BroodMinders installed and the data from them showed that the temperature spiked at treatment and stayed elevated for a few hours before  dropping to the comparable pre-treatment readings.


Marcin

Chicago

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