>If you use antibiotics against AFB spores which are present, you don't get
AFB.

Only if every strain of AFB in your hives is susceptible to that particular
antibiotic!

> but in my opinion, it arose from treating active infections, thus weeding
> out susceptible strains and allowing resistant strains to take over.


What's the difference between treating active infections or contaminated
combs?  Treatment does not cause resistance, it only selects for it, whether
in germinating spores, or in active infections.

Randy Oliver

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