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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
Effectiveness of varroa treatment
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<blockquote data-quote="Alastair" data-source="post: 4170" data-attributes="member: 13"><p>It's through my whole outfit, but weird thing, one hive will be riddled with mites, and yes Gino I'm seeing them, but the hive next to it will be OK. Some sites are worse than others.</p><p></p><p>I personally don't think this is down to reinvasion. Because if treatment is in place and working, it should catch invading mites also. Probably not all of them first time around, but I just can't see the numbers of mites in my hives coming from elsewhere.</p><p></p><p>Could be wrong of course, but if it is reinvasion, there would have to be massive carnage happening somewhere else to supply that many mites.</p><p></p><p>I've also had a lot of queens shut down, even when population is really low, so low, that even if they start brooding again, they will be lucky to support enough brood to survive. This is not normal in my area. Incase there is some other issue causing that, I am not saving those hives, other than to put an apivar strip in to prevent them becoming a mite bomb if they die.</p><p></p><p>I am wondering if the bad habits of some beekeepers only using 2 bayvarol strips per box is finally coming home to roost.</p></blockquote><p></p>
[QUOTE="Alastair, post: 4170, member: 13"] It's through my whole outfit, but weird thing, one hive will be riddled with mites, and yes Gino I'm seeing them, but the hive next to it will be OK. Some sites are worse than others. I personally don't think this is down to reinvasion. Because if treatment is in place and working, it should catch invading mites also. Probably not all of them first time around, but I just can't see the numbers of mites in my hives coming from elsewhere. Could be wrong of course, but if it is reinvasion, there would have to be massive carnage happening somewhere else to supply that many mites. I've also had a lot of queens shut down, even when population is really low, so low, that even if they start brooding again, they will be lucky to support enough brood to survive. This is not normal in my area. Incase there is some other issue causing that, I am not saving those hives, other than to put an apivar strip in to prevent them becoming a mite bomb if they die. I am wondering if the bad habits of some beekeepers only using 2 bayvarol strips per box is finally coming home to roost. [/QUOTE]
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Effectiveness of varroa treatment
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