OP
Could also have very similar sub-lethal effects as oxalic, apart from increasing the need for queens.
http://www.nand.be/ambrosius/nieuws/oxaalzuurtest.pdf
http://www.nand.be/ambrosius/nieuws/oxaalzuurtest.pdf
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Is formic acid considered 'natural'?
formic / acetic / lactic / oxalic ...
More than 'natural', I think they are even 'organic'!
(That's what my old German chemistry schoolbook calls them: "organische Saeuren"...)
Reiner
http://manitobabee.org/hive/category/newsletter/Among the calls were problems using Mite-Away Quick Strips (MAQS™) in Manitoba, as well as outside the province. For example there were reports of over 30% of queens damaged or lost in a yard when using the product according to label instructons.
http://www.ncbi.nlm.nih.gov/pubmed/21442305Results suggest that varroa control is obtained from all spring treatment options. However, all groups treated with FA showed slower summer hive population build-up resulting in reduced honey flow and weaker hives at the end of summer. FA had an immediate toxic effect on bees that resulted in queen death in five colonies. The OA treatments that were tested have minimal toxic impacts on the honey bee colonies.
Ta PBee - this reiterates anecdotal information from other beekeepers I have spoken to.
There is also some recent research from Canada comparing Oxalic and FA including MAQS as spring treatments.
http://www.ncbi.nlm.nih.gov/pubmed/21442305
I intend to use it now that Thornes are selling it
Not sure of the logic there ?
... I am a little fastidious about hygiene and so when I saw varroa mites I reacted quickly. I will take the MAQS out and watch to see how the varroa develops first...
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