> I've more often set up a fumigation tent for acetic acid, as it was
less work than hauling gear to a facility.
My understanding is that acetic acid fumigation will not kill AFB spores.
The fungus causing chalk brood is ubiquitous on bees I believe, so while
sterilising comb may reduce the pathogen load it certainly will not remove
it. Breeding more resistant bees is the better answer along with not
opening hives under unsuitable conditions; fungi thrive at temperatures
below that of a normal brood nest, so chilling brood - even by a few degrees
- is not a good idea.
Best wishes
Peter
52°14'44.44"N, 1°50'35"W
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