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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Peter L Borst <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 26 Mar 2012 15:45:18 -0400
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In the report they state that "the overall evidence points to the fact that neonicotinoids are harming bees".

I don't believe that can be properly called a fact. Particularly as large crops of honey are produced from treated canola.


From http://www.honeycouncil.ca

> Canada ranks 1st in the world for canola production.  Pollination of canola is a major activity for the Canadian honey bee industry. Each year around 300,000 colonies of honey bees (half the colonies in Canada) contribute to the annual crop of 12.6 million tonnes of open pollinated canola oil seed. As well, another 80,000 colonies (approximately 12% of the colonies in Canada) are dedicated to pollinating the highly specialized hybrid seed canola industry. The average rental fee per hive is $150 for canola

> The cause of colony death is complex but has mainly been attributed to the failure of varroa mite treatments through mite resistance to chemicals, incomplete or incorrect formic acid treatment. Some losses were attributed to poor nutrition in fall which was compounded by drought and grasshoppers. 


Further:

> In ten studies throughout Europe, USA and Canada, flowers of canola crops grown from imidacloprid treated seed were analysed for imidacloprid residues. In samples of nectar and pollen, imidacloprid residue levels were always very low, and well under the known threshold levels for adverse effects on bees. In an additional study, a survey found no detectable residues of imidacloprid in honey samples from thirteen different locations around Germany.

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