Term
| What is the second most important brood disease? |
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Definition
| European foul brood (EFB) |
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Term
| Why is EFB less damaging than AFB? |
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Definition
| Because it doesn't have spores |
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Term
| What bacterium causes EFB? |
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Definition
| Melissococcus plutonius, and EFB is associated with others as well |
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Term
| True or False: EFB bacteria cannot survive on the walls of cells |
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Definition
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Term
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Definition
| It multiplies in their digestive tracts, and competes for all of the bees' food. The bees starve to death. |
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Term
| What are the stages of development for EFB? |
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Definition
1) Larvae in less than 48 hours
2) Melissococcus plutonius multiplies in intestine
3) Food competition and other food growth
4) Death - BEFORE cell is capped (unlike AFB) therefore, larvae are younger |
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Term
| What the symptoms of EFB? |
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Definition
- scattered brood pattern
- larvae morphology and colour changes (small and twisted, die coiled; browny/yellow)
- odour of sour vinegar
- darkscale that is easy to remove from cell wall (hard in AFB)
- no ropy condition |
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Term
| How can we diagnose EFB in the lab? |
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Definition
- microscopy
- ELISA (only really used by OMAFRA Inspectors) |
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Term
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Definition
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