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New Zealand Beekeeping Forums
Commercial Beekeeping in New Zealand
making oxalic strips
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<blockquote data-quote="tristan" data-source="post: 12828" data-attributes="member: 30"><p>its not really about if the higher temps causing formic is actually killing bees or not, its about avoiding risk wherever possible. if you do not need to use higher temps then why take the risk, we can do it as fast and easier without going higher temps.</p><p></p><p>the moisture in the hive is what makes the strips "work". thats absolutely fine. gly soaks up humidity, acid comes out and gets on the bees/mites.</p><p></p><p>what we want to avoid is firstly having water in the gly to start with, which upsets our measurements/dosage. but also it soaking up moisture into the strips when being made and in storage. having oxalic come out before we put it in the hive is not useful. these strips hold very small amounts.</p><p> now that is something we certainly can avoid quite easly.</p><p></p><p>remember that we need to make things consistent, so we don't end up with different levels of treatment resulting in widely different outcomes. otherwise you then have hives which simply spread mites to the hives next to it.</p><p></p><p>the study on the OA look up</p><p>Activity of oxalic and citric acids</p><p>on the mite Varroa destructor in laboratory assays</p><p>Norberto MILANI*</p><p>Dipartimento di Biologia applicata alla Difesa delle Piante, Udine University,</p><p>Via delle Scienze, 208 – 33100 Udine, Italy</p></blockquote><p></p>
[QUOTE="tristan, post: 12828, member: 30"] its not really about if the higher temps causing formic is actually killing bees or not, its about avoiding risk wherever possible. if you do not need to use higher temps then why take the risk, we can do it as fast and easier without going higher temps. the moisture in the hive is what makes the strips "work". thats absolutely fine. gly soaks up humidity, acid comes out and gets on the bees/mites. what we want to avoid is firstly having water in the gly to start with, which upsets our measurements/dosage. but also it soaking up moisture into the strips when being made and in storage. having oxalic come out before we put it in the hive is not useful. these strips hold very small amounts. now that is something we certainly can avoid quite easly. remember that we need to make things consistent, so we don't end up with different levels of treatment resulting in widely different outcomes. otherwise you then have hives which simply spread mites to the hives next to it. the study on the OA look up Activity of oxalic and citric acids on the mite Varroa destructor in laboratory assays Norberto MILANI* Dipartimento di Biologia applicata alla Difesa delle Piante, Udine University, Via delle Scienze, 208 – 33100 Udine, Italy [/QUOTE]
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making oxalic strips
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