occurrence of deformed wing virus, chronic bee paralysis virus and mtdna variants in haplotype k of varroa destructor mites in syrian apiaries.a small-scale survey was conducted on 64 beehives located in four governorates of syria in order to assess for the first time the presence of honeybee-infecting viruses and of varroa destructor mites in the country. rt-pcr assays conducted on 192 honeybees (apis mellifera l.) using virus-specific primers showed that deformed wing virus (dwv) was present in 49 (25.5%) of the tested samples and chronic bee paralysis virus (cbpv) in 2 (1.04%), whereas acute bee paralysis virus, sacbrood virus, blac ...201626914360
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