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Sick Bees – Part 16: The “Quick Squash” Method for Determining Nosema Prevalence in a Colony

Infection Prevalence Sequential Sampling A Neat Little Shortcut Validation Summary (completely subject to revision) More Details Next Month Acknowledgements References 2019 Quick Nosema Prevalence Assessment Method First published in ABJ February 2012 Updated March 13, 2019 Randy Oliver Since the discovery of Nosema ceranae, I and many other beekeepers and researchers have been frustrated by […]

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Sick Bees – Part 15: An Improved Method for Nosema Sampling

Author’s Note Samples from Within the Hive Soundbite Science Infection Rate So How Did We Get on the Wrong Track? How to Determine the Colony Infection Rate So What if I Count the Number of Infected Bees out of 10? An Assessment of Our Situation One HUGE Assumption Validation of the Method Update Sequential Sampling […]

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The “Nosema Twins” – Part 3 Sampling

The “Nosema Twins”  Part 3 –Sampling © Randy Oliver ScientificBeekeeping.com First Published in ABJ in Feb. 2008 My previous articles about Nosema ceranae may have grabbed your attention. Let me be clear that I’m not trying to be alarmist—not all operations have problems with nosema. In fact, I’ve got some colonies doing poorly despite having […]

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The Suck-a-Bee

The Suck-a-Bee Randy Oliver ScientificBeekeeping.com First Published in ABJ in Aug. 2008   This sleek sucker makes nosema sampling a breeze! And you can build it yourself for about $40. Randy Oliver [ ** Suck-a-Bee update: Dirt Devil makes a nearly identical, but more expensive, vac that operates with a 15v battery and has greater […]

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