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Discussion Starter · #1 ·
In early stages of European foulbrood, it says that the trachea is visible in diseased larve (kohala.net/bees/EFBrood) What is the meaning of this? I don't see anything. - Tim
 

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Discussion Starter · #3 ·
gotcha, thanks.
 

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EFB is easy to clear up, but I wouldn't use terra. or requeening. I had a EFB case last year that was from getting a nuc with two old frames in it. All I did was to get rid of the two old brood frames, and it cleared right up. Spores had built up in the old brood comb, which caused the EFB. If I had treated with terramyacin or requeened, it wouldn't have addressed the root cause of the EFB... the old comb where the spores had originated. It may have recurred in a few years...
 
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