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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



  • Weak colonies

  • Stressed colonies due to poor foraging

  • Being trucked for pollination 



  • 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


  • Terramycin

  • FEEDING sugar and pollen!!!

  • Requeening with better stock and breaking the brood cycle 

  • Strong nectar flow


  • 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

 European Foul Brood will 

occasionally be ropey. This symptom is not always present.


The white trachea is displayed. The trachea is the breathing tubes of the larva. The 2nd picture is a close up of the white trachea.

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