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Varroa Mite Resistance: Ecdysone
Scientists published a paper in 2019 which describes a genetic trait that confers resistance to varroasis in two honey bee populations, one in Toulouse (France) and one on the island of Gotland (Sweden) 1. Both populations, although separated, happen to have the same resistant mechanism. How does this mechanism work? Varroa does not have the ability… Read more
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Oxalic Acid Mode of Action
This text describes the acaricidal mode of action of oxalic acid. We also make some remarks on the safety of oxalic acid sublimation. Oxalic acid in nature Oxalic acid is a natural defence component of plants and is often found in nature. It is produced in the leaves or roots of plants to prevent insects… Read more
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Viral infections and Varroa- Part I
This is the first, introductory part of a series of articles that address the issue of viruses and their complex relationship with varroa. It is a translation of an article written during Summer/fall 2021 in Greece, one of the most bee-dense countries in the world. The varroa/viruses situation was dramatically increased the recent years and… Read more
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