> Did the buyer do an alcohol wash on the package or nuc the day he bought them and take appropriate steps depending on the mite count? Even if the count happens to be low is it low because the seller just whacked the mites last week and you still have a colony full of virus loaded bees?
I treat all my packages in the first 8 days of installation. That seems to be very effective and I generally don't need to treat again until the fall.
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