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Colony Health – Diseases, Viruses, CCD


Sick Bees – Part 18B: Colony Collapse Revisited

Sick Bees Part 18b: Colony Collapse Revisited Randy Oliver ScientificBeekeeping.com First Published in ABJ in June 2012 The “Harvard” Study A Healthy Skepticism Reality Check A Critical Analysis A Clarification of Terms Can You Trust Your Spin Doctor? Some Helpful Advice Some Examples of Spin Doctor Malpractice Example 1 – GMOs as the Cause of […]

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Sick Bees – Part 18A: Colony Collapse Revisited

First published in: ABJ May 2012

Gone, or Just Taking a Breather? CCD in Retrospect? The Anatomy of Colony Collapse Relative Risk The Holst Milk Test Treating for Nosema Pollen Supplement Patties Yet Another Sign of Impending Collapse Ag Exposure as a Risk Factor Reliving History Acknowledgements References [8] The Holst Milk Test Randy Oliver In my article on almond pollination […]

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Sick Bees Part 18A: Colony Collaspse Revisited

First published in: ABJ May 2012

Gone, or Just Taking a Breather? CCD in Retrospect? The Anatomy of Colony Collapse Relative Risk The Holst Milk Test Treating for Nosema Pollen Supplement Patties Yet Another Sign of Impending Collapse Ag Exposure as a Risk Factor Reliving History Acknowledgements References [8] The Holst Milk Test Sick Bees Part 18a: Colony Collapse Revisited Randy […]

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Sick Bees – Part 9: Pathogens and Plagues

First published in ABJ May 2011

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Bromenshenk

First published in: American Bee Journal December 2010

TABLE OF CONTENTS The Paper What Do Bromenshenk and the Army Claim to Have Found? The Team The Tools A Novel Approach Back to the Paper Q & A Iridescent Virus Practical Applications Acknowledgements References Bromenshenk Randy Oliver ScientificBeekeeping.com First published in American Bee Journal December 2010 A man walking along the street one night […]

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Sick Bees – Part 8: Time for a Paradigm Shift!

First published in: American Bee Journal April 2011

Contents Understanding Viruses. 2 Bee/Virus Coevolution. 2 Viral Quasispecies. 2 Regional Bee Stocks. 3 The Natural Situation Prior to Varroa. 5 What’s Changed?. 7 The Seasonal Progression of Virus Infections. 7 Enter Varroa. 9 Things are Different These Days. 12 Varroa and Viruses. 14 Holding Yards. 17 Beekeeper-Applied Miticides. 17 Varroa changed everything. 19 Practical […]

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Sick Bees – Part 7: How does immunity to a virus spread throughout the hive? And can we use this mechanism to our advantage?

First published in: American Bee Journal March 2011

Contents Trans Generational Immune Priming. 1 Practical Applications. 4 What is RemebeeTm and How Does it Work?. 4 Natural Amplification and Spread. 4 Is Remebee Safe?. 5 Does it work?. 5 Results from my California Trial (continued) 5 How About Nosema ceranae?. 8 The Future of RNAi 9 Transgenic Bees?. 9 References. 10 Sick Bees—Part […]

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Sick Bees – Part 6: Infection by Multiple Viruses

First published in: American Bee Journal February 2011

Sick Bees—Part 6 Infection by Multiple Viruses Randy Oliver ScientificBeekeeping.com First published in American Bee Journal February 2011 We beekeepers hear from researchers that our sick bees are full of viruses. Understandably, we want to know what we can do about it. But to most of us, virus infections are a “black box”—a generally invisible, […]

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Sick Bees – Part 5: Multiple Infections

First published in: American Bee Journal January 2011

Table of Contents The Problem of Co-infection1 The Battle of the Brood Pathogens 2 The Cost of Immunity 3 Opportunistic Pathogens 4 Varroa and Nosema 5 References 5 I ended the last installment of this series by asking the question, what happens when there are multiple parasites suppressing the bee immune system simultaneously? In this […]

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Sick Bees – Part 4: Immune Response to Viruses

First published in: American Bee Journal November 2010

Sick Bees—Part 4 Immune Response to Viruses Randy Oliver ScientificBeekeeping.com First published in American Bee Journal November 2010 Table of Contents Bees vs. Viruses 1 Back to School 2 Practical Application 4 Viruses Fight Back 4 MicroRNA’s 4 Inapparent Virus Infections 5 Acknowledgements 5 References 5 Viruses are obligate intracellular parasites that infect all organisms, […]

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Sick Bees – Part 3: The Bee Immune System

First published in: American Bee Journal October 2010

Sick Bees—Part 3 The Bee Immune System Randy Oliver ScientificBeekeeping.com First published in American Bee Journal October 2010 In my previous article, I proposed a model for the in-hive positive feedback loops that may lead to colony collapse. Before I can further explain the model, we must understand more precisely how the bee immune system […]

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Sick Bees – Part 2: A Model of Colony Collapse

First published in: American Bee Journal September 2010

Sick Bees—Part 2 A Model of Colony Collapse Randy Oliver ScientificBeekeeping.com First published in American Bee Journal September 2010 Over the past year, I have watched the experimentally-induced collapse of an apiary. The experience has helped me to understand the progression of colony collapse due to multiple parasite infection. The California Trial Last year I […]

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Sick Bees – Part 1

First published in: American Bee Journal Aug 2010

Sick Bees: Part 1 Randy Oliver ScientificBeekeeping.com First published in American Bee Journal August 2010 Most any long-time beekeeper has noticed that bees are simply not as healthy as they used to be, and that we have been plagued with a spate of unusual colony collapses in recent years. As luck would have it, I’ve […]

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