>But don't count on the odor.
I did the NDB course at Sparsholt some years ago and one of the other students was positive that he could identify AFB by the smell. He was then tested, of course, as there were combs with every known disease (UK) there for us. He failed.
I would venture that the stomach churning smell from the secondary invaders of EFB is certainly recognisable. I once had to transport some hives containing colonies with EFB (they had been killed) in the back of my car to another location for burning - never again!
>That certainly used to be the case, but not so much any more--EFB appears
to have changed, and no longer necessarily goes away when conditions
improve.
Of course there are so many strains of EFB recognised these days - is it 17?
Best wishes
Peter
52°14'44.44"N, 1°50'35"W
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