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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Peter Loring Borst <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sun, 4 Mar 2018 18:34:09 -0500
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> I am currrently scraping out dead outs, rendering the wax, and bleaching the frames.

Sterilizing equipment may have some merit but the problem is, the viruses are in the bees. The question is what triggers disease, not where do the viruses come from. 

> Viruses of the European honeybee, Apis mellifera L. are known to reside at low levels in colonies, typically showing no apparent signs of infection. Using reverse transcription-PCR (RT-PCR), 23 apiaries in Devon were screened for the presence of 6 honeybee viruses, with positive colonies being analysed for viral genetic diversity. 

> Ninety-seven percent of the colonies were positive for deformed wing virus (DWV), 29% were positive for acute bee paralysis virus (ABPV) and 1.4% were positive for both sacbrood virus (SBV) and black queen cell virus (BQCV). Multiple infections were common, with 32% of the colonies were infected by more than one virus.


> All these colonies had a history of infestation with the parasitic mite V. destructor at varying levels yet were considered to be relatively healthy, showing no abnormal symptoms at the time of sampling.

A. Baker, D. Schroeder / Journal of Invertebrate Pathology 98 (2008) 239–242

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