> Cam Jay published some of this, I remember using his numbers in a model
> back in the 80s.  The numbers change with season.   Jerry

Yes, and Mark Winston gives a number of 2 to 3 in his book, The Biology of 
the Honey Bee", but he does not say when and if that is lifetime or 
concurrent.  It seems more than a little low to me when I look at package 
bees.  The the nurse bee can continue in that role for considerably longer 
than any individual larvae requires feeding.  Moreover, if the hive is fed 
and there are no urgent foraging needs, I'm guessing the capacity for brood 
is greater.  Perhaps this is one reason supplements increase brood area.

I'm trying to model spring build-up in splits to determine -- or at least 
bracket -- the optimal split size and timing. 

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