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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
Oxalic vapour or strips
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<blockquote data-quote="John B" data-source="post: 5625" data-attributes="member: 207"><p>I have been following the use of oxalic acid pretty closely for a long time in fact long before strips were even talked about and one of the very earliest recommendations I saw suggested that it not be used more than once a year (this was an oxalic acid\sugar syrup dribble).</p><p>One possible hypothesis I have is that short lived summer bees do not get a lethal dose of oxalic acid in their short little lives whereas the overwintered bees do. There is also talk that the strips pull in a lot of moisture especially in winter and that this may have a detrimental effect, it's even possible the bees are collecting moisture from the strips and being orally poisoned. There are so many unanswered questions but with current treatments starting to fail we're going to have to answer some of them pretty soon.</p><p>I should have started on this journey a lot earlier but to be honest got put off by the large hive losses some pretty experience beekeepers had with this product..</p></blockquote><p></p>
[QUOTE="John B, post: 5625, member: 207"] I have been following the use of oxalic acid pretty closely for a long time in fact long before strips were even talked about and one of the very earliest recommendations I saw suggested that it not be used more than once a year (this was an oxalic acid\sugar syrup dribble). One possible hypothesis I have is that short lived summer bees do not get a lethal dose of oxalic acid in their short little lives whereas the overwintered bees do. There is also talk that the strips pull in a lot of moisture especially in winter and that this may have a detrimental effect, it's even possible the bees are collecting moisture from the strips and being orally poisoned. There are so many unanswered questions but with current treatments starting to fail we're going to have to answer some of them pretty soon. I should have started on this journey a lot earlier but to be honest got put off by the large hive losses some pretty experience beekeepers had with this product.. [/QUOTE]
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Oxalic vapour or strips
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