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Subject:
Return interval for OAV sequences, any published study
From:
John Chesnut <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 6 Aug 2018 14:04:11 -0400
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(( Leading a Varroa Management workshop this weekend,  so tying up loose ends that have been bothering me)).

The return interval for OAV treatment is the subject to idiosyncratic recommendations.   Can someone cite a published source for comparative efficiency and safety of different return intervals.    

I have seen periods of 4-7 days recommended.   Typically the recommendation appears based on inductive reasoning about open brood (and/or uncited factoid about the average phoretic period of mite mothers).

Any trials actually done of behavior of colonies under different return intervals ?

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