Thanksgiving Varroa Treatment
Hello- I was at the monthly HOCOBA meeting yesterday and recall Dave saying there was something in particular he uses at Thanksgiving to treat for varroa. Does anyone remember what he recommends? Thanks
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- Sarah Mercer
- Joe Papariello
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OA oxalic acid . During that time of the year the hive is broodless and OA can be very effective. You need to apply it on a relatively warm day such that the hive is not clustered to tightly. I like to hit my three times during that time of the year with OA vapor bringing the hive to close to no mites as possible. I find the OA vapor to have a near 90% efficacy based on the mite drop during treatment; so three treatments get near a 99.9% reduction in mites. Be careful using the OA dribble although I have never used I have heard on line where multiple treatments can be damaging to the colony.