These resources are brought to you by the Cooperative Extension System and your Local Institution
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
eXtension: more mind reachHave a question? Try asking one of our Experts
Last Updated: November 23, 2009
We did try using dry ice to freeze-kill brood for the hygienic behavior assay. We found the dry ice needed to be in contact with the brood for at least 30 minutes to ensure the brood would be killed. That length of time was not practical, so we moved to using liquid N2, which is much quicker.
-Marla Spivak, University of Minnesota
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.
This resource area was created by the: Bee Health community
Get Connected
Queen Rearing and Bee Breeding
Bee Informed Partnership