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The Learning Curve - Part 3: The Natural Miticides
The Learning Curve: Part 3 Randy Oliver ScientificBeekeeping.com First Published in ABJ in July 2009 I added a number of updates on May 2015, marking 15 years of successful commercial beekeeping in my operation without the use of synthetic miticides. "It is not the st... | Varroa Management Archives - Page 8 of 8 - Scientific Beekeeping | https://scientificbeekeeping.com/varroa-management/page/8/ |
Pesticide exposure pathways
Sorry for the low resolution of this snip of this Powerpoint slide that I created for a presentation. I've color coded the ellipses and arrows. Red is the pesticide active ingredient. Blue is the initial mode of exposure. Orange are the ages/temporal tasks of the bees involved. Green are th... | Pesticide exposure pathways - Scientific Beekeeping | https://scientificbeekeeping.com/pesticide-exposure-pathways/ |
The Short Version
The Major Problems Facing Bees and Beekeepers
Number one is varroa. Varroa changed the virus dynamics within the colony. If either the bees or the beekeeper don't keep the varroa infestation rate down to fewer than 5 mites per 100 bees, colonies start to suffer. At about 15 mites per 100, viruses go... | The Short Version - Scientific Beekeeping | https://scientificbeekeeping.com/the-short-version/ |
IPM 6 Fighting Varroa The Arsenal: Our Choice of Chemical Weapons
IPM 6 Fighting Varroa The Arsenal: Our Choice of Chemical Weapons Randy Oliver ScientificBeekeeping.com First Published in ABJ in June 2007 I'm clearly in the "minimal chemical" camp, yet all my commercial buddies, without exception, depend upon "off la... | Varroa Management Archives - Page 7 of 8 - Scientific Beekeeping | https://scientificbeekeeping.com/varroa-management/page/7/ |
Pesticide exposure pathways
Sorry for the low resolution of this snip of this Powerpoint slide that I created for a presentation. I've color coded the ellipses and arrows. Red is the pesticide active ingredient. Blue is the initial mode of exposure. Orange are the ages/temporal tasks of the bees involved. Green are th... | Topics Archives - Page 4 of 4 - Scientific Beekeeping | https://scientificbeekeeping.com/topics/page/4/ |
Mite Washer; Still Improving
First published in: American Bee Journal, August 2015
Mite Washer; Still Improving Randy Oliver ScientificBeekeeping.com First Published in ABJ in August 2015 The quickest and most accurate way to monitor varroa levels is by the alcohol wash. After the publication of my "improved" washer d... | Varroa Management Archives - Page 6 of 8 - Scientific Beekeeping | https://scientificbeekeeping.com/varroa-management/page/6/ |
General public presentation
Here is a slide show for general public presentation. Contains some old 35mm photos, which I hope to soon replace.
Public general presentationPublic general presentation
Category: Topics | General public presentation - Scientific Beekeeping | https://scientificbeekeeping.com/general-public-presentation/ |
DWV sampling instructions
Dear U.S. beekeeper,
Recent studies by Dr. Stephen Martin and associates have found that there is apparently a benign form of DWV that can out compete the virulent form, thus allowing colonies to survive despite varroa infestation.
If this is true, it raises the possibility that we may be a... | DWV sampling instructions - Scientific Beekeeping | https://scientificbeekeeping.com/dwv-sampling-instructions/ |
Building a Better Mite Washer
Building a Better Mite Washer - Larry Clamp
Notes from Randy:
Tinkerer Larry Clamp put together a very nice set up illustrated instructions for building mite washer cups, and is generously sharing them. Thanks, Larry!
The thin black screen from package bee cages (or some older veils) is... | Building a Better Mite Washer - Scientific Beekeeping | https://scientificbeekeeping.com/building-a-better-mite-washer/ |
What's Happening with the Bees 2015
2015 What's Happening Auburn
Category: Topics | What's Happening with the Bees 2015 - Scientific Beekeeping | https://scientificbeekeeping.com/whats-happening-with-the-bees-2015/ |
International Websites of Interest
I'm open to suggestions for interesting websites on beekeeping in countries other than the U.S. to link to-please email me suggestions.
Ukraine:A commercial honey sales website, but with a nice summary of the history of beekeeping in that country http://www.honey-export.com/
Catego... | International Websites of Interest - Scientific Beekeeping | https://scientificbeekeeping.com/international-websites-of-interest/ |
Donze 1998 A look under the cap
donze-1998-a-look-under-the-cap
Category: Topics | Donze 1998 A look under the cap - Scientific Beekeeping | https://scientificbeekeeping.com/donze-1998-a-look-under-the-cap/ |
Extended-Release Oxalic Acid Progress Report - Part 1
First published in: American Bee Journal, July 2017
Extended-Release Oxalic Acid Progress Report Part 1 Randy Oliver ScientificBeekeeping.com First published in ABJ July 2017 In January I wrote about an exciting extended-release application method for oxalic acid [... | Varroa Management Archives - Page 5 of 8 - Scientific Beekeeping | https://scientificbeekeeping.com/varroa-management/page/5/ |
K.I.S.S. Breeding for varroa resistance
Open the link below to view the annotated pictorial presentation. 2017 KISS Breeding and if you want to see us doing smokin' hot mite washin' in real time, Rachel surprised me by figuring out how to prop up her cell phone to take a video of us washing a yard-to see the 36-second... | Topics Archives - Page 3 of 4 - Scientific Beekeeping | https://scientificbeekeeping.com/topics/page/3/ |
2019 EcoFarm
Beekeeping is more difficult today than it used to be.
Our changing agricultural landscape provides less forage, and growers still apply pesticides to freely (although the pesticide situation for bees today is far better than it used to be in the '60s and '70s).
The main problem for honey bees worldwide... | 2019 EcoFarm - Scientific Beekeeping | https://scientificbeekeeping.com/2019-ecofarm-2/ |
Being Part of The Solution
Click on the link below to view a ppt presentation.
Being Part of the Solution
Category: Topics | Being Part of The Solution - Scientific Beekeeping | https://scientificbeekeeping.com/being-part-of-the-solution/ |
Guessing our future with varroa
Category: Topics | Guessing our future with varroa - Scientific Beekeeping | https://scientificbeekeeping.com/guessing-our-future-with-varroa/ |
Glyphosate fact checking
This is a very contentious subject, but how much of the media alarm over glyphosate is based upon actual risk assessment?
Having run my garden and orchard organically for many years, I was faced with invasive Vinca major and Himalaya blackberries that were taking an excessive amount of my tim... | Glyphosate fact checking - Scientific Beekeeping | https://scientificbeekeeping.com/glyphosate-fact-checking/ |
About Randy
About me
To start with, among other things, I'm a honey bee researcher, so if you're not comfortable with honey bees being around, read no more
I'm a healthy, youthful, happy, high-energy, and loving guy, finally over the heartache of losing my beloved wife. So I'm now looking for a new life partner and ... | About Randy - Scientific Beekeeping | https://scientificbeekeeping.com/about-randy/ |
Fair demo cage
Category: Topics | Fair demo cage - Scientific Beekeeping | https://scientificbeekeeping.com/fair-demo-cage/ |
The Varroa Problem: Part 16b - Bee Drift and Mite Dispersal (cont.)
First published in: American Bee Journal, May 2018
Contents Bee Drift and Mite Dispersal (continued) 1 So why do colonies allow bees to drift in?. 1 The sheer numbers involved. 4 The amount of mite drift into other hives. 5 Collapse and Robbing. 7 Wha... | Varroa Management Archives - Page 4 of 8 - Scientific Beekeeping | https://scientificbeekeeping.com/varroa-management/page/4/ |
Screenshots of hive weights
Supplementary material for A Study on Bee and Mite Drift, Part 5
Due to unfamiliarity with data preservation for the scale hives, we lost all our raw data when we removed the batteries from the scales at the end of the trial. Luckily, I had been following the weight data during the course ... | Screenshots of hive weights - Scientific Beekeeping | https://scientificbeekeeping.com/screenshots-of-hive-weights/ |
Sick Bees - Part 14: An Update on the "Nosema Cousins"
Contents
Worldwide Status and Distribution
Ceranae vs. apis
Coinfection
Seasonality
Sample Interpretation
What if You're Dealing with N. apis?
Seasonality
Recommendations
Acknowledgements
References
Sick Bees 14:
An Update On The "Nosema Cousins"
First... | Nosema Cousins Archives - Scientific Beekeeping | https://scientificbeekeeping.com/tag/nosema-cousins/ |
Old Bees/ Cold bees/ No bees? Part 2
Old Bees/ Cold Bees/ No Bees? Part 2
©️ Randy Oliver
ScientificBeekeeping.com
First Published in ABJ in July 2008
One day during his tenure as a professor, Albert Einstein was visited by a student. "The questions on this year's exam are the same as last year's!" the young man excl... | Old Bees/ Cold bees/ No bees? Part 2 - Scientific Beekeeping | https://scientificbeekeeping.com/old-bees-cold-bees-no-bees-part-2/ |
Pollen Supplement Formula
Update February 2023: Be sure to check out an updated Homebrew formula from my research in 2020 at https://scientificbeekeeping.com/a-comparative-trial-of-the-pollen-subs-part-5-revisiting-de-groot/
Update December 28, 2013
I am currently running a beekeeper-supported controlled trial of th... | Pollen Supplement Formula - Scientific Beekeeping | https://scientificbeekeeping.com/pollen-supplement-formula/ |
Sick Bees - Part 14: An Update on the "Nosema Cousins"
Contents
Worldwide Status and Distribution
Ceranae vs. apis
Coinfection
Seasonality
Sample Interpretation
What if You're Dealing with N. apis?
Seasonality
Recommendations
Acknowledgements
References
Sick Bees 14:
An Update On The "Nosema Cousins"
First... | part 14 Archives - Scientific Beekeeping | https://scientificbeekeeping.com/tag/part-14/ |
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 H... | sampling Archives - Scientific Beekeeping | https://scientificbeekeeping.com/tag/sampling-2/ |
A Comparative Trial of the Pollen Subs: Part 4-Why did some Subs Outperform Others
A COMPARATIVE TRIAL OF THE POLLEN SUBS Part 4: Why did some Subs Outperform Others? Beekeeper-Funded Research Randy Oliver ScientificBeekeeping.com Contents Back to my 2020 california trial Have we been focusing on the wrong suspects? P... | Topics Archives - Page 2 of 4 - Scientific Beekeeping | https://scientificbeekeeping.com/topics/page/2/ |
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 1... | Nosema ceranae Archives - Page 3 of 3 - Scientific Beekeeping | https://scientificbeekeeping.com/nosema-ceranae/page/3/ |
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