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Subject:	loss rates of honey bee colonies during winter
From:	Peter Loring Borst <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sat, 7 Jan 2017 08:50:09 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (14 lines)

Hi all
Despite my general lamenting about hard winters in the Northeast, reports from Europe show quite a different picture, with losses being less in landlocked countries such as the Czech republic, etc.

> The highest loss rate was found in Ireland and Northern Ireland, followed by Wales and also Spain, whereas it was lowest in the Czech Republic and central Europe in general. 

> Altogether, we received valid answers from 19,952 beekeepers. These beekeepers collectively wintered 421,238 colonies, and reported 18,587 colonies with unsolvable queen problems and 32,048 dead colonies after winter. This gives an overall loss rate of 12.0%

Brodschneider, Robert, et al. "Preliminary analysis of loss rates of honey bee colonies during winter 2015/16 from the COLOSS survey." Journal of Apicultural Research 55.5 (2016): 375-378.

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