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Subject:	Re: is the oxalic drip method also effective on tracheal mites?
From:	randy oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sun, 7 Sep 2014 06:35:50 -0700
Content-Type:	text/plain
Parts/Attachments:	text/plain (28 lines)

>there is some caution using dribble this time of year as it seems the bees

> that eat syrup and OA don't live as well thru the winter.


I've only seen data supporting that in a few early studies.  In my short
winter climate I  don't  see any noticable adverse effects from OA dribble
at any time of the year.  The benefit of reduction of mites greatly
outweighs any negatives.

I  recently had one large commercial guy in Minnesota tell me that he loves
the  fall dribble and that it greatly improved their wintering.

I gave a field session in SoCal yesterday, and found mite counts of about
13/100 in two of my four demo washes, and also found a fifth colony in the
final stages of DWV collapse with guanine deposits on the top of nearly
every cell--a great demonstration!

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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