An example from southern Chile

2900 colonies treated end of november, all alive when treated past week
after Ulmo harvest
100 colonies not treated end of november, 50% dead by past week (those
colonies weren't cured because they were used for the queen rearing) They
were moved to the mountains for the Ulmo flow.


On Sat, Apr 11, 2015 at 11:39 AM, randy oliver  wrote:

>
> > >while I knocked the varroa down the viral load was so high it took quite
> > > some time for the viruses to run their course once varroa were gone.
>
> > That's why waiting too late to treat doesn't work
> > any more (it used to work when varroa first arrived, before the viruses
> > evolved).
>

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