On Tue, 28 Sep 1999 11:39:58 +0200, Seppo Korpela <[log in to unmask]> wrote: >This solution is the so called original italian solution... <snip> > ...ca. 300 colonieswere treated fall 1998 in Nordic countries > with either 2.1 or 4.2 % (original italian) oxalic acid solutions > using the trickling method. This experiment did not show in > most cases differences in colony strengths in spring between > experimental groups and the control group. Tests planned > for this fall should show whether doses somewhat lower than > the original italian solution ... Here's an update: I recently received by email a copy of results of similar work published in la revue suisse d'apiculture for September 1999. I gather that the conclusions were that the original Italian solution is a bit strong for central and northern europe in the opinion of the writers, and and can lead to winter losses when compared to a slightly milder solution that proved equally effective in mite kill. The report is very nicely written with charts and is presented in a .pdf format. It is in French, but non-french readers could probably get something out of the tables if they are sufficiently motivated. The file can be retrieved from my server at http://www.internode.net/HoneyBee/Misc/ATT00007.pdf and is only a 45k download. An Acrobat reader, available free at http://www.adobe.com/products/acrobat/readermain.html is necessary to view the file. Usually your browser will automatically open the reader to view a PDF file if you have it installed when you click on a PDF link. The doc also refers to a brochure "Varroa Treatment by Oxalic Acid Trickling, field Trials 1998/1999" which 'presents these results in an exhaustive manner' and can be gotten at Liebefeld. allen ----- See if your questions have been answered in over a decade of discussions. BEE-L archives & more: http://www.internode.net/HoneyBee/Bee-l.htm Search sci.agriculture.beekeeping at http://www.deja.com/ or visit http://www.internode.net/HoneyBee to access both on the same page.