Do European Foulbrood larvae rope out?

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Do European Foulbrood larvae rope out?

Rope-like larval remains are a hallmark of American foulbrood, not European foulbrood. In American foulbrood, infected larvae die and degrade into a viscous, thread-like material that workers pull out of the cell as they clean, creating the characteristic ropey symptoms. European foulbrood, caused by Melissococcus plutonius, kills larvae in a different way and leaves remains that are typically crumbled, discolored, or paste-like rather than rope-like. So, you would not expect European foulbrood to produce the rope-out phenomenon.

Rope-like larval remains are a hallmark of American foulbrood, not European foulbrood. In American foulbrood, infected larvae die and degrade into a viscous, thread-like material that workers pull out of the cell as they clean, creating the characteristic ropey symptoms. European foulbrood, caused by Melissococcus plutonius, kills larvae in a different way and leaves remains that are typically crumbled, discolored, or paste-like rather than rope-like. So, you would not expect European foulbrood to produce the rope-out phenomenon.

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