> the only thing you can not split is the queen. where is the old queen
> left? where do the other queens come from? a big variable to consider
> in your pondering.

Yes. My impression was that this tendency was regardless of requeening, 
intentional or natural.  As I say, it is just one of those things I have 
heard.

I also am thinking of it in the context of the USDA comparison of the 
performance of commercial treated stock top Russian and VSH --Those 
colonies were quite intensively managed as I understand it -- and also 
what I saw in the Imperial Valley where a large beekeeper simply picked 
up his old colonies annually and nuced them all out routinely in a 
special setup consisting of two semi-trailers.

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