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• Re-Evaluating Varroa Monitoring: Part 4

  Re-Evaluating Varroa Monitoring Part 4 WHAT ABOUT LETTING THE SHOOK BEES FLY OFF? Randy Oliver ScientificBeekeeping.com First appeared in ABJ June 2020 In my previous article I showed how the varroa infestation rate of bees varied by comb type, with those on brood frames having higher mite counts, but those on storage frames, despite showing […]

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•  Re-Evaluating Varroa Monitoring: Part 3

     Re-Evaluating Varroa Monitoring Part 3 HOW DOES MITE DISTRIBUTION VARY FRAME-TO-FRAME IN A HIVE? Randy Oliver ScientificBeekeeping.com First published in ABJ May 2020 In the previous articles in this series I evaluated the different methods for varroa monitoring, and then discussed the state of our knowledge as to where mites would be most prevalent […]

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• Re-Evaluating Varroa Monitoring: Part 2

  Re-Evaluating Varroa Monitoring Part 2 QUESTIONS ON SAMPLING HIVES FOR VARROA Randy Oliver ScientificBeekeeping.com First published in ABJ April 2020 In order to monitor the varroa infestation rate of the adult bees in a colony, one must take a sample of bees from somewhere in the hive. But how to decide which comb to take […]

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• Re-Evaluating Varroa Monitoring: Part 1

  Re-Evaluating Varroa Monitoring Part 1 METHODS Randy Oliver ScientificBeekeeping.com First published in ABJ March 2020 In order to avoid the preventable death of colonies due to varroa-virus overload, we’re told to monitor our colonies’ mite levels.  But how best to do so?  In this series of articles, I’ll review what we actually know, and provide […]

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• An Experiment to Improve Pollen Sub: Part 2

  Beekeeper-Funded Research An Experiment to Improve Pollen Sub: Part 2 Randy Oliver ScientificBeekeeping.com First published in ABJ May 2020   In my last article I laid out the reason that I ran this experiment, and my two suspects for being the limiting nutrient in the artificial diet – the lack of an important sterol and/or a […]

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• An Experiment to Improve Pollen Sub: Part 1

  Beekeeper-Funded Research An Experiment to Improve Pollen Sub: Part 1 Randy Oliver ScientificBeekeeping.com First published in ABJ April 2020   In my location, we may not see a drop of rain all summer long, so our colonies become pollen-starved. In order to prepare strong colonies for almond pollination, I used to move them to better forage […]

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• Questions on Amitraz

  Questions on Amitraz Randy Oliver ScientificBeekeeping.com First published in ABJ March 2020 This past year, some beekeepers asked me a couple of questions about amitraz. So I ran some quick cage trials to obtain answers. The results surprised me. Amitraz is a highly-effective acaricide (something that kills mites and ticks), and is widely used by […]

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• First year beekeeping

  Updated 2 June 2020.  I continually update this page, so please refer to the current version.  For mite treatment options, search “Varroa Mite Management” Beekeeping in a Nutshell I’ve attempted to distill 50 year’s of beekeeping experience into a short set of instructions for starting out with bees in the Sierra Foothills.  This page provides […]

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• Fair demo cage

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• Nosema: Part 7C — The Prevention of Dysentery

  Contents Review.. 1 Balancing moisture elimination and heat loss. 2 Broodrearing in the winter cluster. 3 So let’s do the arithmetic!. 5 Practical applications. 5 Optimal Cluster size. 5 Winter stores ― honey and beebread. 8 Hive placement. 8 Hive insulation. 9 Hive ventilation. 10 Literature cited. 11 Nosema and Dysentery: 7c The Prevention of […]

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