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Subject:
Re: Winter Bees
From:
randy oliver <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Fri, 1 Dec 2017 19:24:42 -0800
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>
> >INGEMAR FRIES. OUTDOOR WINTERING OF HONEYBEES IN TOP-VENTILATED HIVES.
> Journal of Apicultural Research 21(4) : 212-21S (1982)


Thanks Pete.  This experiment used a very different method of ventilation
(through the insulation) than practiced by others.  However, it did
decrease mold.  I'm wondering if anyone has seen actual data on Langstroth
hives used with either an upper ventilation hole or entrance, or with a
shim.

One reason that I ask is that when I speak with beekeepers in cold winter
climates, that I sometimes hear that breaking the propolis seal under the
lid during winter will result in the death of the colony.  This seems at
odds with providing top ventilation.

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

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