>Field testing to be done by customers, I guess. I got an advertisement today for vaccinated queens at various prices depending on the purchased quantity. https://tinyurl.com/mva53955 It will likely be difficult to ground truth efficacy especially if your organization isn't plagued with AFB. Here's a study. > The oral vaccination with Paenibacillus larvae bacterin can decrease susceptibility to American Foulbrood infection in honey bees—A safety and efficacy study https://www.frontiersin.org/articles/10.3389/fvets.2022.946237/full?fbclid=IwAR2xDlqYzOCYqBOv1i5qnlly68xHbgMyQ1rIVC8Cwgme3n6zu7zmK4ey3ys *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html
