Effect Of Some Honeybee Diseases On Seasonal Mortality Ofapismellifera Intermissain Algeria Apiaries
Résumé: With a view to identify the pathogens and to establish the role of these pathogens in regulation of the density of honey bee population occurring in the apiaries of the area concerned samples of honeybee were collected from the beekeepers in some parts of central Algeria It is revealed that Nosema sp., Varroa destrutor, Peanibacillus larvae are associated with the disease manifestation in honey bees. The presence of Nosema sp., Varroa destrutor, Peanibacillus larvae was analyzed using standard OIE methods. Spores of Paenibacillus larvae were detected in 56.6 % in winter 52.32 % in spring. 29.33 % in autumn and 11.25 % in summer. Nosema infestation was recorded in 47.91 % bee individuals during spring. Varroa infestation rate was maximum 12.57 % in summer and lowest 3.44 % in spring. Analysis of data indicates that Boumerdes and Tipaza, diseases induced mortality exceeds 10 % in honeybee. There exists a significant correlation between Nosema disease and mortalities in honeybees. Seasons play significant role, irrespective of pathogens, in disease manifestation
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