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Tue, 25 Sep 2012 17:31:13 +0200 |
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hi I live in Sardinia. in our more than 3000 beehives to control varroa we can even block by inserting the brood queen in a small cage (4 to 6 minutes per hive. start operations from mid-June onwards) and do we do two steps of oxalic acid. one in the moment it is released (after about 24 days from when and been locked) and one 4 days later, when we check any queens death. (normally from 10 to 20% in relation to drought) during the winter according to the strength of the families do from 2 to 4 sublimated oxalic acids (with the sublimox) or a oxalic acid dripped over the frames. the formulation of oxalic acid and 100 g of acid, 1000 grams of sugar and 1 liter of water, this solution 5cc for frame covered with bees.
Regards and sorry for my bad english ...
giuseppe caboni
www.apimed.com
[log in to unmask]
.Il giorno 25/set/2012, alle ore 04:14, Mike S <[log in to unmask]> ha scritto:
>>>> Italians had concluded that the concentration of sugar was as important
> as the concentration of Oxalic, with 3.6% being as good as or better
> than 4.2.
>
> So, what was the concentration of sugar that they recommended?
>
> Mike in LA
>
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