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Subject:	Re: breeding against varroa
From:	Peter Loring Borst <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Fri, 2 Mar 2018 09:52:12 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (9 lines)

> To remove Varroa-infested brood, workers probably rely on their ability to discriminate different cues and thresholds linked to brood health (Masterman et al., 2001 ). Consequently, the choice of the assay and stimulus could lead to different results regarding this behavior (Espinosa-Montano et al., 2008 ). Unfortunately, nowadays there is no assay that has been designed to quantify easily the hygienic behavior involved in the removal of Varroa-infested brood, and that could be used routinely in early stages of breeding programs.

Gil Leclercq, Tjeerd Blacquière, Nicolas Gengler & Frédéric Francis (2018) Hygienic removal of freeze-killed brood does not predict Varroa-resistance traits in unselected stocks, Journal of Apicultural Research, 57:2, 292-299, DOI: 10.1080/00218839.2018.1426350

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