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Microscopy


Sick Bees – Part 13: Simple Microscopy of Nosema for beekeepers

CONTENTS Equipment Needed Taking Bee Samples Processing the Samples Bringing the Spores into Focus Spore Identification Counting the Spores Care and Feeding of your Microscope Coming Up Randy Oliver ScientificBeekeeping.com First published in ABJ November 2011–this article extensively revised in March 2019. It is greatly surprising to me that with the great interest by beekeepers […]

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The “Nosema Twins” – Part 2 Detection & Microscopy

The “Nosema Twins” – Part 2 Detection & Microscopy © Randy Oliver ScientificBeekeeping.com First Published in ABJ in Jan. 2008 Last fall, getting wind of Nosema ceranae, I carefully collected a few bees from a dozen or so hives from each yard, and sent the whole pooled sample of 500 bees off to a lab […]

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Field of View Count Correlation

Field of View Count Correlation Report to the California State Beekeepers Association by Randy Oliver ScientificBeekeeping.com First Published inABJ in Oct. 2008   Determination of “spore count” Nosema infection level is reported in a standardized “spore count” of “average number of spores per bee,” generally given in millions (1 million = 1 x 106). The […]

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