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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
Effectiveness of varroa treatment
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<blockquote data-quote="John B" data-source="post: 7240" data-attributes="member: 207"><p>Why are so many people still pretending that there isn't a problem with resistance to synthetic pyrethroids. It's been obvious for several years that it is happening and just because they don't show the genetic marker that is found in Europe for resistance doesn't stop them killing your hives.</p><p>Resistance doesn't occur everywhere at once. It generally starts in one place and moves out from their. That's why some of us find it no longer works at all and other people still think it's great. Two years ago when I first encountered resistance I wasn't surprised as a neighbouring beekeeper had used nothing else for treatment for 10 years.</p><p>Resistance is here. Prompt action when it was first discovered might have slowed its spread but it's too late now.</p><p>What I can't understand is the head in the sand, this is not happening, must be reinvasion attitude when you would think that tens of thousands of dead hives would be proof enough.</p></blockquote><p></p>
[QUOTE="John B, post: 7240, member: 207"] Why are so many people still pretending that there isn't a problem with resistance to synthetic pyrethroids. It's been obvious for several years that it is happening and just because they don't show the genetic marker that is found in Europe for resistance doesn't stop them killing your hives. Resistance doesn't occur everywhere at once. It generally starts in one place and moves out from their. That's why some of us find it no longer works at all and other people still think it's great. Two years ago when I first encountered resistance I wasn't surprised as a neighbouring beekeeper had used nothing else for treatment for 10 years. Resistance is here. Prompt action when it was first discovered might have slowed its spread but it's too late now. What I can't understand is the head in the sand, this is not happening, must be reinvasion attitude when you would think that tens of thousands of dead hives would be proof enough. [/QUOTE]
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