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Subject:	Re: None of today's queens seem to produce bees like 30-50 years ago
From:	randy oliver <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Mon, 16 Nov 2009 16:40:38 -0800
Content-Type:	text/plain
Parts/Attachments:	text/plain (23 lines)

> So how long have you had N.ceranae?


We've had it on the East Coast since at least 1985.  Don't know when it
arrived in Calif.

In response to queen failure, it appears to have increased independent of
miticide use, although it also appears that miticides exacerbate it.

Hard to tell in my own operation (no synthetic miticides for going on 9
years), as I also keep mite levels lower than I used to.  But I have fewer
queen problems than most.

Randy Oliver

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