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Bee Culture

The Johnson Lab at UC Davis

The UC Davis Series By: Brian R. Johnson Hello Beekeepers! This short article will introduce you to the Johnson Bee Lab at UC Davis. Our lab shares the Laidlaw Bee Lab, which is just off the Davis campus, with two other labs, that of Elina Niño and Neal Williams. Our work complements one another and together we cover quite a…
UOVBA News Bot
February 19, 2024
American Bee Journal

Honey Extractors of the 1870’s: Part 2

Honey extractors evolved in America as the fledgling apiculture industry began to see the value of these machines. To understand that historical development from primary sources, I collect honey extractors, study them, and search how their original design functioned in the old bee literature. I had to find one important design: an 1870s Novice Honey Extractor. A.I. Root made this…
UOVBA News Bot
February 19, 2024
American Bee Journal

The Classroom – February 2024

Q  Oxalic acid chemistry  I would like to know if the oxalic acid treatment involves a liquid phase before vaporization or if oxalic acid sublimes, going directly from solid to vapor. I am not a chemist, and there is a lot of confusion on this topic in the available information. Marie-Hélène Majeau Québec, November A My team and I get…
UOVBA News Bot
February 19, 2024
American Bee Journal

How do you like your thixotropic honey, shaken or stirred?

Here’s a quiz: What do ketchup, yogurt, gelatin, and heather honey have in common? You got it! They are all thixotropic liquids. Thixotropic materials are thick and viscous when motionless but become thinner when agitated. At my home, we always keep a humongous bottle of ketchup on the kitchen counter. After leaving it untouched for several days, you can invert…
UOVBA News Bot
February 19, 2024
American Bee Journal

Notes from the Lab – February 2024

In last month’s column I described how the current pesticide risk assessment process for pollinators is inadequate in the United States, Europe, and other areas. I used the word “inadequate” because we know that pesticides are currently contributing to annual honey bee colony losses and declines of wild pollinators. In this month’s column I’m going to highlight a paper that…
UOVBA News Bot
February 19, 2024