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Date: | Wed, 18 Aug 2004 21:43:42 -0400 |
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On Mon, 16 Aug 2004 14:21:18 -0400, Tim Arheit <[log in to unmask]> wrote:
>
>I don't think so. Temperatures that high are pretty close to the lethal
>limit for adult bees. The lethal limit for the Japanese honeybee is around
>118F, and I'd suspect it would be around the same for the European
>honeybee. Brood I believe is even more delicate. The inside temperature
>could get well above the outside temperature without the cooling effort.
Newest data from our lab indicate the lethal temp /time combinations for adult bees
are 52 C for 9 min, 49 for 15 min and 47 for 25 min. Strangely I did not see any data
on this for either bees, nor mites (even though many people in Germany use a
certain temp to cook brood to kill mites, no data was given for a safety window for
bees).
we have not done brood yet.
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