Per Kryger

Risk indicators affecting honeybee colony survival in Europe: one year of surveillance

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  • Tina Tønnersen
  • ,
  • Per Kryger (Member of author collaboration)
  • Antoine Jacques, Unit of Coordination and Support to Surveillance, ANSES, France
  • Marion Laurent, Unit of Honeybee Pathology, ANSES, France
  • Stéphanie Bougeard, Unit of Epidemiology and Welfare of Pork, ANSES, France
  • Pascal Hendrikx, Unit of Coordination and Support to Surveillance, ANSES, France
  • Magali Ribière-Chabert, Unit of Honeybee Pathology, ANSES, France
  • EPILOBEE Consortium Marie-Pierre Chauzat
The first pan-European harmonized active epidemiological surveillance program on honeybee colony mortality (EPILOBEE) was set up across 17 European Member States to estimate honeybee colony mortality over winter and during the beekeeping season. In nine Member States, overwinter losses were higher and statistically different from the empirical level of 10 % under which the level of overwinter mortality was considered as acceptable with usual beekeeping conditions. In four other countries, these losses were lower. Using multivariable Poisson regression models, it was showed that the size of the operation and apiary and the clinically detected varroosis, American foulbrood (AFB), and nosemosis before winter significantly affected 2012–2013 overwinter losses. Clinically detected diseases, the size of the operation and apiary, and the non-participation to a common veterinary treatment significantly affected 2013 summer losses. EPILOBEE was a prerequisite to implement future projects studying risk factors affecting colony health such as multiple and co-exposure to pesticides.
Original languageEnglish
Pages (from-to)348-378
Number of pages31
Publication statusPublished - May 2016

    Research areas

  • honeybee health, EPILOBEE, epidemological survey, winter mortality, seasonal mortality

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