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Insights on Bee Diseases: Foulbrood & Varroa Tolerant Bees in Stressful Conditions

Explore a collection of images showcasing bees unaffected by foulbrood disease despite proximity to EFB and AFB infections. These bees, deliberately subjected to Varroa stress for breeding purposes, display unique characteristics. Learn to identify chalkbrood, sac brood, and EFB symptoms in bee larvae. Captured by Gavin Ramsay during an EFB epidemic study, these visuals offer valuable insights into bee health under stress.

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Insights on Bee Diseases: Foulbrood & Varroa Tolerant Bees in Stressful Conditions

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Presentation Transcript

  1. Slides from various foulbrood talks Gavin Ramsay

  2. ‘Parastic Mite Syndrome’ Weather-stressed bees? The following images are from bees *not* showing foulbrood disease despite their proximity to both EFB and AFB infection, and the heavy stresses they are under. They come from a colony deliberately under stress from Varroa (part of an attempt at breeding Varroa-tolerant bees). Look out for chalkbrood and sac brood.

  3. These bees are infected with EFB Dead very young larvae (dark brown, rt of centre at the bottom), twisted melted down older larvae (bottom left) and dead and mushy larvae under cappings, all features of EFB. Taken by me at the invitation of Murray McGregor who was keen to spread the word that there was an EFB epidemic locally.

  4. AFB Two pictures that I think came from Mo Vaughan on the beekeeping forum.

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