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In the last few years successful queen selection and breeding has reduced the incidence of nosema in Denmark from around 70-80% to 10% or less. This is a significant achievement in a country with 4,700 beekeepers and about 170,000 colonies. Nosema levels have been the focus of their breeding effort for 25 years as the long, mild, humid, winters made this a major concern for Danish beekeepers. Nosema ceranae was detected in Denmark in 2003. Queen breeding, as in much of the EU, is well organised, with 20 islands, peninsulas, and spits set aside by legislation for mating areas. Performance t