> a brood break of a few days to allow workers time to clean out the
remaining symptomatic cells, then excrete the infective material, should
provide a clean slate, no?
I've long wondered whether this is why brood looks better after a formic
treatment. Was it a disinfection due to the vapors, or because of the
induced brood break? Any transmission would likely be via the nurses
mandibles, more so than by their feces.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
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