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Date: | Fri, 21 May 2021 20:44:55 -0700 |
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>It is simple enough to call these two conditions 'idiopathic' but I am
curious about other's thoughts on these two conditions.
We've been taking mite washes from a few hundred hives in prep for a field
trial. When I see one that is unexpectedly weak, I dive
into the broodnest to see why.
There are the usual failing queen or requeening issues, and a few with
clear EFB.
But there was on colony that had "snot brood," and another today that
looked like very widespread sacbrood, but the larvae were not pullable as
sacs, so something else that I couldn't ID.
Last season I saw only a couple of hives (out of ~1800) that had some form
of idiopathic brood disease. I brought one home to freeze samples from to
send for molecular analysis, but they got robbed first.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
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