Brood Diseases

American Foul Brood

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American Foul Brood

Paenibacillus larvae

American Foul Brood (AFB) is a contagious bacterial disease, the spores of which remain infectious for over 50 years. There are a handful of cases in Maine each year now, primarily attributed to the reuse of long-stored but uninspected equipment. It is a disease that formerly had a much larger incidence in Maine, but now there are usually between two and four outbreaks per year. The State Apiarists (formerly Tony Jadzack and now Jen Lund) deserve much credit for reducing the number of incidents that have taken AFB from the feared category and placed it in the group that requires vigilance and recognition of symptoms.

(c) Randy Oliver, Scientificbeekeeping.com, all rights reserved

Used with permission

(c) Randy Oliver, Scientificbeekeeping.com, all rights reserved

Used with permission

(c) Randy Oliver, Scientificbeekeeping.com, all rights reserved

Used with permission

  • Website - PennState Extension - American Foul Brood AMAZING PICTURES OF AFB IN VARIOUS STAGES BY EAS MASTER BEEKEEPER STEVEN REPASKY

  • Web Pages - Bee Aware (Australia) - American Foul Brood

  • PDF - Honey Bee Health Coalition - Identifying and Mitigating Foulbrood in Honeybee Colonies and Reducing the Use of Antibiotics

  • Video - Oregon State University Extension - Diagnosing American Foulbrood in Honey Bee Colonies (link is to YouTube)

  • Fact Sheet - USDA ARS - American Foulbrood Factsheet

  • Video - David Burns - Beekeeping Nightmare: Be On The Lookout For this Deadly Disease (link is to YouTube)

In Maine, hives infected with American Foulbrood Disease must be destroyed after a confirming laboratory test. (both bees and woodenware)


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  • Links

  • Video - Beekeeper George - Wonderful World of Honey Bee Diseases link is to YouTube

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