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Subject:	Re: Upper Ventilation in Winter: Moisture exchange and heat loss
From:	Randy Oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Tue, 15 Dec 2020 08:20:02 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (26 lines)

> I find the bees use the holes quite a bit during the summer but if there
is a heavy nectar flow they are apt to use the bottom more. That may be
because there is empty comb at the bottom where they can unload the nectar

Pete, as I understand it, a returning nectar forager must offload its
nectar to a midage bee for transport to a cell.  As I understand it, this
process occurs mainly near the entrance, but I'm not clear as to exactly it
occurs relative to the broodnest.

I'm too busy to dig into the literature at the moment, but your
observations seem to put the lie to the belief that an upper entrance makes
it easier for the foragers to get unloaded.

Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com

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