Oxytet remained effective for decades against AFB, until beekeepers started applying it continuously as Crisco patties, at which time resistant AFB bacteria became prevalent. Could be a coincidence, or not. -- Randy Oliver Grass Valley, CA www.ScientificBeekeeping.com *********************************************** 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