Reference : Colony collapse disorder: a descriptive study.
Scientific journals : Article
Life sciences : Entomology & pest control
http://hdl.handle.net/2268/28241
Colony collapse disorder: a descriptive study.
English
Vanengelsdorp, Dennis [> > > >]
Evans, Jay D [> > > >]
Saegerman, Claude mailto [Université de Liège - ULg > Département des maladies infectieuses et parasitaires > Epidémiologie et analyse des risques appl. aux sc. vétér. >]
Mullin, Chris [> > > >]
Haubruge, Eric mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Nguyen, Bach Kim mailto [Université de Liège - ULg > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Frazier, Maryann [> > > >]
Frazier, Jim [> > > >]
Cox-Foster, Diana [> > > >]
Chen, Yanping [> > > >]
Underwood, Robyn [> > > >]
Tarpy, David R [> > > >]
Pettis, Jeffery S [> > > >]
2009
PLoS ONE
Public Library of Science
4
8
e6481
Yes (verified by ORBi)
International
1932-6203
San Franscisco
CA
[en] BACKGROUND: Over the last two winters, there have been large-scale, unexplained losses of managed honey bee (Apis mellifera L.) colonies in the United States. In the absence of a known cause, this syndrome was named Colony Collapse Disorder (CCD) because the main trait was a rapid loss of adult worker bees. We initiated a descriptive epizootiological study in order to better characterize CCD and compare risk factor exposure between populations afflicted by and not afflicted by CCD. METHODS AND PRINCIPAL FINDINGS: Of 61 quantified variables (including adult bee physiology, pathogen loads, and pesticide levels), no single measure emerged as a most-likely cause of CCD. Bees in CCD colonies had higher pathogen loads and were co-infected with a greater number of pathogens than control populations, suggesting either an increased exposure to pathogens or a reduced resistance of bees toward pathogens. Levels of the synthetic acaricide coumaphos (used by beekeepers to control the parasitic mite Varroa destructor) were higher in control colonies than CCD-affected colonies. CONCLUSIONS/SIGNIFICANCE: This is the first comprehensive survey of CCD-affected bee populations that suggests CCD involves an interaction between pathogens and other stress factors. We present evidence that this condition is contagious or the result of exposure to a common risk factor. Potentially important areas for future hypothesis-driven research, including the possible legacy effect of mite parasitism and the role of honey bee resistance to pesticides, are highlighted.
http://hdl.handle.net/2268/28241
10.1371/journal.pone.0006481

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