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A report from INRA http://www.inra.fr/presse/interaction_pathogene_insecticide_affecte_sante_abeilles
The results show that the interplay between Nosema and imidacloprid at concentrations encountered naturally by bees, induces a mortality rate of energy and stress were significantly higher than each agent alone.
While Nosema and imidacloprid alone have no effect, their combination results in a significant reduction in the production of glucose oxidase. This suggests the long-term, more immediate effects of these two agents on bee mortality, increased sensitivity of the hive to pathogens due to the decrease of antiseptic products.
Reference :
Alaux C., Brunet JL, Dussaubat C., MONDET F., Tchamitchan S., Cousin M., Brillard J., A. Baldy, Belzunces LP, Le Conte Y.
Interaction between a Nosema microspores and neonicotinoid Weaken Honeybees (Apis mellifera)
Environmental Microbiology , (2009) doi: 10.1111/j.1462-2920.2009.02123.x
Bil Harley
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