--- Aaron Morris <[log in to unmask]> wrote:
>...I have heard it said more than once, by a
> prominent, now retired bee scientist, that
> chalkbrook and AFB will not be present in the same >
hive at the same time; that chalkbrood surpresses >
AFB.
A. apis, (the fungus that causes chalkbrood) produces
a substance with antimicrobial proprieties. The agent
found in chalkbrood that suppresses AFB was found to
be the fatty acid, linoleic acid.
Joe
Pennsylvania
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