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Subject:	Re: Hopped Up
From:	randy oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Mon, 4 Mar 2013 16:27:49 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (19 lines)

>Also, the calculation of efficacy is a curious practise, with an actual
significant positive efficacy sometimes ascribed to the controls.

In my own trials, I like to normalize starting mite counts for each colony
to 100%, and then compare the effects of treatment against that.  The
counts for the control group generally go up (usu. roughly doubling each
month of broodrearing), whereas those following effective treatment go down
below the original 100%, eventually climbing again.

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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