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Subject:
Re: Oxalic package treatment
From:
randy oliver <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 30 Nov 2015 17:34:41 -0800
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>
> >I may be wrong here but aren't all packages coming from New Zealand
> treated and inspected?
>

Could well be.  But those in the U.S. aren't.  Some have been documented
with having infestation rates of up to 5%.  That's around 600 mites in a
3-lb package.  I've been presenting a chart that models the mite population
growth from packages at various starting levels.

Take home message: start the season with as many bees, and as few mites, as
possible.

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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