> The idea of treating with a 30 second OAV at every hive inspection is compelling.

Not to me, the idea of OAV in any form is not of interest to me. What is compelling to me is this:

> One application of the Aluen Cap formulations is enough to have good mite control even with the presence of bee brood. In this study, the oxalic acid formulation had a high efficacy and it was possible to keep low Varroa prevalence indices in the colonies. The matrix of the OA strip may help to keep an adequate acid concentration inside the colonies for a long time (42 days). Moreover, no significant residues are expected after oxalic acid treatments as demonstrated in our research. Apidologie (2016) 47:596–605

Alas, despite the various patents issued in the US and elsewhere, no product of this nature has reached the US market

PLB

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