European Foul brood

 

European Foul brood is far easier to cure than American foulbrood;

that said EFB is also more prevalent in hives as compared to American foulbrood.

• Non-spore forming!!!

• Easier to cure

• Infests worker, drone, and queen larvae

• Prevalent in the spring

    

    Causes

• Weak colonies

• Stressed colonies due to poor foraging

• Being trucked for pollination 

 

Symptoms

• Larvae are discolored and die in twisted coiled positions

• Dead brood is mostly uncapped

• Discolored concave cappings

• Sour odor may be present

• Dead larvae aren't ropy

• Scales are easy to remove

Treatment

• Terramycin

• FEEDING sugar and pollen!!!

• Requeening with better stock and breaking the brood cycle 

• Strong nectar flow

Diagnose

• Send a sample of brood to                                            Bee disease Diagnosis

                                                                                                bee research Laboratory

                                                                                                Bldg. 306 Room 316

                                                                   Beltsville Agriculture Research Center-East

                                                                                                Beltsville, MD 20705

• Foulbrood test kit

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 European Foul Brood will 

occasionally be ropey. This symptom is not always present.

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