October 2015

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Global honey trade but not pests or pesticides as a major cause of regional honeybee colony declines

Abstract Recent losses of honeybee (Apis mellifera) colonies have been linked to several non-exclusive factors; such as pests, parasites, pesticides (e.g., neonicotinoids) and other toxins. Whereas these losses pose a threat to apiculture, the number of globally managed colonies appeared to be less affected because beekeepers replace lost colonies. From a socioeconomic and ecological perspective…

Four Categories of Viral Infection Describe the Health Status of Honey Bee Colonies

Abstract Honey bee virus prevalence data are an essential prerequisite for managing epidemic events in a population. A survey study was carried out for seven viruses in colonies representing a healthy Danish honey bee population. In addition, colonies from apiaries with high level Varroainfestation or high level of winter mortality were also surveyed. Results from RT-qPCR…