>
> > I asked myself, what if there is very little bee
> movement in the colony?  The propogation of the active ingredient would
> be slower, possibly very much slower, than expected.
>
> I'm very curious about this also with regard to the movement of food from
the periphery of the winter cluster to the center.  Unless the cluster
spans that top or bottom bars, there can be no bee movement across the
frames, since any such movement would need to detour over the top or
bottom, as few bees go clear to the end bars in cold weather.

If there is little honey stored in the center of the cluster, then it must
somehow be moved via either bee movement or trophallaxis--both of which
would be thwarted by the vertical comb.
-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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