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Subject:
Alcohol wash economic thresholds
From:
Umberto Vesco <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 3 Sep 2012 16:24:09 +0200
Content-Type:
text/plain
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On 01/09/2012 23:20, randy oliver wrote:
> Back to economic threshold, with regard to alcohol wash, if I observe 
> mite infestation rate to exceed 5%, I consistently see virus infection 
> in the broodnest. If I keep the mite infestation down to less than 2% 
> at highest (lower for most of the season), then the brood remains healthy.
Is this your own experience?
Are there other references/experiences about treatment thresholds?
Thanks

-- 
Umberto Vesco
DVM, PhD
Italy

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