>What is  natural pollen bought  for in US if not for feeding bees? Is it a
food supplement for humans in health foodstores?

Yes.  For health claims and allergy sufferers.  Demand is high in some
areas.

>  In my recent trial, patties of natural pollen containing half the

> protein of the best subs stimulated equivalent growth in the colonies.
>
> Any guess why? Balance of Aminoacids? Lipids/Fats? Microelements? Which
> are the limiting factors of subs?
>

Juanse, if I knew the answer, I wouldn't tell you until I patented it : )
I apologize for not yet having the time to post the full results, but I
doubt that the limiting factor was amino acids or microelements.

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

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