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Nosema ceranae


The “Nosema Twins” Part 1

Nosema ceranae update The debate continues as to how deadly N. ceranae is. I’ve been corresponding with Antonio Pajuelo (CONSULTORES APÍCOLAS (Broken Link!)  http://www.pajuelo.info/). He notes that in Spain there are citations of collapses of colonies in autumn and winter attributed to lack of fall pollen back at least to 1807. Pajuelo first noticed problems […]

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Field Trial of Several Nosema Treatments

Field Trial of Several Nosema Treatments Progress Report by Randy Oliver ScientificBeekeeping.com First Published in ABJ in Oct. 2008 Introduction With the discovery of Nosema ceranae, and due to reports that the standard treatment with fumagillin may not provide adequate control, I ran a long-term trialhof various treatments, and methods of application, with nosema infected […]

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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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Nosema Ceranae—Not Your Father’s Nosema!

Nosema Ceranae—Not Your Father’s Nosema! Randy Oliver ScientificBeekeeping.com First published in Bee Culture Published in ABJ in Jan. 2009 Most beekeepers are aware that a new form of nosema has established itself in North America (and throughout the world). Amazingly, Nosema ceranae was able to spread worldwide without anyone even noticing until recently—it has been […]

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Nosema Ceranae: Additional Reports and Ramblings

Nosema Ceranae: Additional Reports and Ramblings Randy Oliver ScientificBeekeeping.com First Published in ABJ in Oct. 2008 Allow me to swap hats, and now speak to you as a beekeeper. As I was writing this article, I was asked similar questions by a number of beekeepers. Here they are, with answers to the best of my […]

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Nosema Drench Treatment Trial

A Test of the “Drench” Method of Nosema Treatment Randy Oliver ScientificBeekeeping.com First Published in ABJ in Oct. 2008 In previous articles in this journal, I’ve summarized what we know about Nosema ceranae, its pathogenicity, detection, and treatment. I wondered whether N. ceranae would prove to be as virulent in North America as it appeared […]

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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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Nosema Ceranae: Kiss of Death or Much Ado about Nothing?

Nosema Ceranae: Kiss of Death or Much Ado about Nothing? Randy Oliver ScientificBeekeeping.com First Published in ABJ in Aug. 2009 Once again I’m interrupting a series of articles to update beekeepers on breaking news that has practical applications in bee management. This time the information is about Nosema ceranae, and I felt that the readers […]

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The “Nosema Twins” – Part 1

© Randy Oliver It appears that a new bully has moved into town, and we didn’t even realize it! Maybe now we can explain some of the nasty things that have been going on. As of a few months ago, I knew diddly squat about nosema. Sure, I bought Fumidil-B some twenty years ago when […]

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