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Date: | Tue, 9 Feb 2021 10:06:58 -0500 |
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* The* Alberta Agriculture and Forestry, Plant and Bee Health Surveillance
Section carried out the below study.
* ....Our results indicated that the vaporizers used in our pilot study
provided a high acaricidal effectiveness, with 98%, 94% and 96% reductions
in Varroa mite levels in the late fall when using the ProVap, Varroa
Blaster and Varroa Cannon, respectively. ....* *. A single administration
of oxalic acid using ProVap or Varroa Cannon 4 vaporizers can effectively
control Varroa mites under certain conditions, including broodless phase.
.... All three vaporizers had an efficiency >90%, however, the ProVap uses
less OA per colony and the operator is able to control precisely how much
OA is used. In addition, the ProVap has the shortest warm-up time, is ready
to re-use faster than the other machines, and only requires a generator to
power the device. *
*From:*
* FINAL REPORT: A pilot study to compare the efficacy of oxalic acid
sublimation devices to control Varroa mite in Alberta *
https://www.albertabeekeepers.ca/wp-content/uploads/2018/09/2019-Final-OA-vapourizer-report.2.pdf
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