Scientific Beekeeping News

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• The Causes of Dysentery in Honey Bees:  Part 2

  Contents The bees’ need for water. 1 Water and the winter cluster. 1 Water Balance. 2 Water homeostasis and buffering in the winter cluster. 3 Water in the gut. 3 Atmosphere and Humidity within the winter cluster. 3 Evaporation via respiration. 5 Defecation/Dysentery. 6 Literature cited. 8     The Causes of Dysentery in Honey […]

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• The Nosema Problem Part 5: Monitoring and Disinfection

  Contents What the beekeeper can do. 1 seasonality. 2 detection and Sampling. 3 Queens And Nosema. 6 Deadout equipment. 7 citations and notes. 8   The Nosema Problem Part 5: Monitoring and Disinfection First published in ABJ October 2019 Randy Oliver ScientificBeekeeping.com Some beekeepers are concerned about the current unavailability of fumagillin. Although the Canadians […]

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• Extended-Release Oxalic Acid Progress Report 2019

  Contents Background. 2 The 2019 field test. 2 Results. 4 Those danged outliers!. 6 Overall efficacy. 7 Could there have been mite immigration from other colonies?. 8 Fate of the applied towels. 9 progression of action of treatment over time. 13 Results from others. 14 Mexico and uruguay. 14 Southeastern States with high humidity. 14 […]

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• The Causes of Dysentery in Honey Bees — Part 1

  Contents Why would a colony exhibit signs of dysentery?. 3 honeydew.. 4 Microbial dysbiosis or parastism.. 5 The link between pollen and nosema. 7 How about those “winter bees”?. 8 Literature cited. 10     The Causes of Dysentery in Honey Bees Part 1 First published in ABJ December 2019 Randy Oliver ScientificBeekeeping.com Okay, I’ve […]

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• The Nosema Problem Part 6: Treatment

  Contents First a return to queens. 1 Treatments for nosema. 2 fumagillin. 3 Alternative treatments. 3 What else is on the market?. 6 Nozevit®. 6 Hive alive®. 9 Acids in syrup. 9 Possibilities on the radar. 9 What if you don’t want to treat?. 9 citations and notes. 10   The Nosema Problem Part 6: […]

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• First year beekeeping

  For seasonally-appropriate varroa treatment recommendations, please scroll down to “Treatment Recommendations by Season.” Updated 18 Sept 2019.  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 […]

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• Pesticides in the News

  Pesticides in the News Randy Oliver ScientificBeekeeping.com First Published in ABJ in August 2019 Our beleaguered Environmental Protection Agency, tasked with protecting man and the environment, is caught between an unsupportive Administration and a public that is becoming more and more concerned about the effects of pesticides and climate change. I plan to return to […]

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• Nosema Part 4: Nosemosis

  Contents Effects of nosema upon an individual bee. 1 Effects of nosema upon the colony. 2 Colonies can fight back. 2 Nosema and almond pollination. 4 Nosema and the queen. 7 How concerned should you be about nosema?. 8 The take-home message. 10 Coming. 11 citations and notes. 12   . Nosema Part 4: Nosemosis […]

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• The Seasonality and Effects of Nosema

  Contents Requisites for nosema to gain a foothold. 2 The importance of pollen to Nosema transmission and reproduction. 4 The connection between nosema and dysentery. 6 putting it all together. 7 Coming. 8 citations and notes. 8   The Seasonality and Effects of Nosema Randy Oliver ScientificBeekeeping.com First Published in ABJ in Aug. 2019 Nosema […]

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• Reading material

  Below are links to some classic beekeeping publications: Farrar 1944 Productive-management-of-honeybee-colonies   USDA 1967 Beekeeping in the United States    Scroll down to Moeller’s “Managing Colonies for High Honey Yields” Beekeeping-in-California_1987 I also recommend (or have had recommended): Storey’s Guide to Keeping Honey Bees, 2nd Edition: Honey Production, Pollination, Health, Malcolm Stanford.  Malcolm has an easy-to-read writing […]

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