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Subject:	Re: Late Season Mite Influx
From:	Jennifer Short <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sun, 28 Oct 2018 15:46:25 -0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (12 lines)

>Do these pictures show any visible OA crystals or other evidence of the application?

My center frame (bottom brood box) definitely had visible crystals on most of the bees in the field of view - hard to discern with a phone camera with one hand, but the thorax hairs were considerably fuzzy.  This was a colony that was treated in August with ApiLive Var for 3-10d treatments (per instructions).  Subsequent AW on 9/2 was 10 and the colony was given additional treatments of 4 OAV e5d in September.  On 10/3 a visible phoretic mite was seen on inspection, and on 10/4 a 3 day bbc of 101 was recorded and additional treatments were started with OAV @ e5d for 4 treatments (pending completion).  Total bbc for the second OAV round so far (3 treatments) is 671, I did not record the total accelerated mite drop for the first round of treatments.


Dr. Jennifer Short, DVM, MBA

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