* Fumagilin-B treatment weakly lowered N. ceranae intensity the following spring. 

* N. ceranae was not associated with variation in colony strength measures or with higher colony winter mortality.

* Nova Scotia colonies appear to be unaffected in spring when mean spore counts of foraging bees were >10 million the previous fall.

See:
"The microsporidian Nosema ceranae, the antibiotic Fumagilin-B, and western honey bee (Apis mellifera) colony strength" Geoffrey R. Williams, et al. Apidologie

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