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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
Resistant varroa disaster.
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<blockquote data-quote="John B" data-source="post: 3000" data-attributes="member: 207"><p>I reported resistance to the manufacturers at the time and also supplied resistant mites in alcohol. The mites were tested and did not show any genetic markers for resistance and the matter was not taken any further.</p><p>From memory they tested both the mites and the strips and were prompt and courteous but it still didn't change the fact that the strips which for many years had worked perfectly (and yes I used different product spring and autumn) no longer killed varoa in my hives.Two other beekeepers that I work closely with had marked resistance in some of their hives as well.</p><p>I haven't used synthetic pyrethroids for several years as a result of this failure. I have done this to protect my hives and also to slow down the spread of these resistant mites. What we need now is for one or hopefully many of the affected beekeepers to come forward and supply results and if requested samples for testing.</p></blockquote><p></p>
[QUOTE="John B, post: 3000, member: 207"] I reported resistance to the manufacturers at the time and also supplied resistant mites in alcohol. The mites were tested and did not show any genetic markers for resistance and the matter was not taken any further. From memory they tested both the mites and the strips and were prompt and courteous but it still didn't change the fact that the strips which for many years had worked perfectly (and yes I used different product spring and autumn) no longer killed varoa in my hives.Two other beekeepers that I work closely with had marked resistance in some of their hives as well. I haven't used synthetic pyrethroids for several years as a result of this failure. I have done this to protect my hives and also to slow down the spread of these resistant mites. What we need now is for one or hopefully many of the affected beekeepers to come forward and supply results and if requested samples for testing. [/QUOTE]
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New Zealand Beekeeping Disease & Pests
Resistant varroa disaster.
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