Original article

Apidologie

, Volume 44, Issue 5, pp 522-536

Characteristics of Nosema ceranae infection in Serbian honey bee colonies

  • Jevrosima StevanovicAffiliated withDepartment of Biology, Faculty of Veterinary Medicine, University of Belgrade Email author 
  • , Predrag SimeunovicAffiliated withDepartment of Biology, Faculty of Veterinary Medicine, University of Belgrade
  • , Bojan GajicAffiliated withDepartment of Parasitology, Faculty of Veterinary Medicine, University of Belgrade
  • , Nada LakicAffiliated withDepartment of Statistics, Faculty of Agriculture, University of Belgrade
  • , Dejan RadovicAffiliated withInstitute of Zoology, Faculty of Biology, University of Belgrade
  • , Ingemar FriesAffiliated withDepartment of Ecology, Swedish University of Agricultural Sciences
  • , Zoran StanimirovicAffiliated withDepartment of Biology, Faculty of Veterinary Medicine, University of Belgrade

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Abstract

The incidence, symptoms and consequences of Nosema ceranae infection were monitored in 200 honey bee colonies in Serbia over 5 years (2008–2012) to reveal if they display characteristics described for nosemosis type C. Continual high frequency of N. ceranae-positive colonies was recorded within each study year, ranging from 73 to 98 %. A seasonal pattern in N. ceranae incidence was observed over 4 years (2008–2011). Symptoms traditionally attributed to Nosema apis infection were observed in the majority of N. ceranae-infected colonies, both among surviving and those that died. These symptoms could not serve as predictive markers for colony losses, as they were significantly more frequently observed among surviving colonies in 2010, 2011 and 2012. No clear association between N. ceranae infection and colony losses was affirmed neither during the winter nor during the summer season. Thus, N. ceranae infection in Serbian bees do not fit the characteristics for nosemosis type C.

Keywords

Nosema ceranae Apis mellifera nosemosis type C faeces