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Subject:	Re: does glacial acetic acid fumigation destroy EFB on equipment and combs?
From:	Bill Hesbach <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Thu, 13 Jun 2019 11:10:31 -0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (19 lines)

>My question is does anybody have information on how effective glacial
> acetic acid fumigation of equipment is in killing off any EFB contamination
> on those combs and on brood boxes?  Also, does anyone know how long the
> bacterium stays infective on combs if they are just left to sit without
> bees on them?


I have the same question concerning the duriblity of DWV virions on hive surfaces.  It would be good to know when advising beekeepers that ask the perennial question "can just reuse the comb from a colony that died from PMS".  It may be that contact with hive surfaces carries the potential to raise virus titers in addition to varroa. 



Bill Hesbach
Cheshire CT

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