>How do you know the starting counts?
As you know, I favor alcohol wash of ~300 bees taken from a brood frame.
Any test of efficacy must be taken no sooner than 12 days after treatment,
to allow at least one complete mite cycle in the brood. Better if a series
of measurements are taken over a longer period in order to detect trends.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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