>
> There is another reason and that is what virus' are present. Which is why
> you can have a high Varroa load in some places and survival, but a low
> load
> in other and collapse.
What I have found Bill and what was told to me by the virus researchers in
the U.K. is that if you control varroa then virus issues (PMS) for the most
part are minor. My observations have found this to be so.
bob
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