York-Laval University Paper on Neonics and Bees Marred by Inconsistencies, Data Deficiencies, Dubious Bee Management and Weak Statistics

July 19, 2017

From: Terry Daynard’s Blog | Comments about Agriculture, Food and the Bioeconomy

Terry Daynard | @TerryDaynard


This commentary is about the Tsvetkof et al paper. My conclusion, in brief:

This paper joins others in showing that honey bees exposed to high concentrations of neonics (in this case clothianidin) may demonstrate sub-lethal effects. However, the strength of this conclusion is weakened seriously by data inconsistencies and deficiencies, major questions about bee management, and dubious statistical analyses. The potential role of varroa mites and other pests and diseases is ignored.

To learn how I reached that conclusion, read on.

Read Complete Blog Post




1 Comment Leave a Comment

  • 1. Claus Hansen  |  July 23, 2017 at 10:12 am

    To be sure: the impossibility of 0.75 stems from the fact that the only results possible are 0, 1/5, 2/5 …. 5/5?

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