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bee diseases brood disease chalkbrood european foulbrood new beekeeper

Sep 03, 2026
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European Foulbrood and Chalkbrood: The Two Stress Diseases, How to Tell Them Apart, and How to Fix the Stress

Neither one is a death sentence, and neither one has a magic cure. EFB and chalkbrood show up when a colony is stressed. Here is how to tell them apart from each other (and from AFB), and how to remove the stress.