>Obtaining, proving and maintaining resistant stock in a sizable operation
is not a trivial undertaking.

Agreed, but don't feel that it is impossible.  I feel that I am having
considerable success, although the degree of mite resistance appears to
follow something of a normal distribution in my hives.

>Even then, bees which have been found to be sufficiently resistant to be
> productive without treatments in one region may turn out to be
> unsatisfactory in that regard under different conditions.
>

I wholeheartedly concur!

>
> >I recall that Danka and his group were following some migratory bees
> around the US a few years back and in fact I saw them at Merrimac Apiaries
> several summers ago and saw some of the stock being observed. ..I wonder
> how that all worked out.
>

I'm hoping that the researchers will answer that question directly.



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

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