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Subject:
What do mite samples really indicate?
From:
Mark Berninghausen <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Tue, 18 Feb 2014 07:43:32 -0500
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Can anyone accurately say what a mite count from a 300 bee sample really says? If one got 2 mites in a 300 bee sample, how many mites are there in a 30,000 bee colony? I always figure that sampling for varroa mites simply indicates presence w/ some indication of intensity. But, can anyone accurately predict what the results indicate?

Has anyone done a study where multiple samples were taken from the same colony at the same time or one consecutive days? Has anyone ever sampled all the adult bees in a colony to see how many adult mites are present?

Is there a consensus on which sampling technique is best? Ether roll? Powdered sugar shake? Alcohol wash? Other?

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