> > >My take home point is the old system of treating 2X a year and never > tossing comb > resulted in a much higher incidence of AFB annually in my experience. Ditto here--I'm wondering if all those commercial operations that are using tylosin prophylactically are creating ticking time bombs. Randy Oliver *********************************************** 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