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Subject:	Re: Varroa resistant honey bee populations
From:	Peter Borst <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sun, 26 Nov 2023 17:39:40 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (9 lines)

Villa et al.  tried to increase suppression of Varroa reproduction by selection for the brood effect. They found a significant response during the first two generations of selection but the difference between selected colonies and control colonies disappeared in successive generations. A possible explanation for this finding is that adaptation of mites to host cues occurs in these experiments.

Villa, J.D., Danka, R.G. & Harris, J.W. Selecting honeybees for worker brood that reduces the reproduction of Varroa destructor . Apidologie 47, 771–778 (2016). 

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