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Mon, 11 Mar 2019 15:32:28 -0400 |
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Thanks to the multiple people who emailed me copies of the paper (who will
remain anonymous to avoid trouble at their institutions), and to those who
pointed out that Alexandra Elbakya's "Sci-Hub" site is back among the
living, despite the injunction ordering the black-hole treatment of
domain-name resolution for the site. (Sad that beekeepers must resort to
"pirate" sites to read about work like this, funded by the French Ministry
of Agriculture and "Lune de Mie".)
After a once-over read, there is a smooth and clear "dose-response curve",
showing that either or both of cooler temperatures or higher varroa
infestation synergizes with a field-realistic dose to result in distinctly
higher rates of marked and RFID-equipped bees not returning from sorties,
even after having successfully made a return trip from the same release site
prior to the dose of Thiamethoxam.
Both controls and bees that were dosed that only had nosema or were dosed
and only carried the DWV virus did not show anywhere near as bad a
"no-return rate" as those dosed who had varroa or those dosed and forced to
fly in cooler temperatures.
The Dose + cool temperature had a p-value of 0.0059 (as opposed to the usual
standard of 0.05) while Dose + varroa had a p-value of 0.0002, so there's
some pretty darn high confidence in the dataset.
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