> >Is it possible that the bees are attracted to the excreted glucose in
> urine?
>
When I do the math, the amount of glucose in the urine of a healthy human
is below the level that a bee could detect it.
However, many plant-eating insects (notably butterflies) are attracted to
mammal urine as a source of sodium.

With regard to applying cow urine to honey bee colonies, this would not be
advisable in countries where cows are not considered as sacred.  Most
consumers of honey would be put off by the notion.  However, there is the
possibility that we could identify the mineral, enzyme, protein, or other
substance in cow urine that appears to control EFB.  It would be considered
as a "natural" product, and perhaps more acceptable than oxytetracycline.
-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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