【摘 要】
：
The scallop, Patinopecten yessoensis, is one of the major species cultured in Chang Hai, and its culture in commercial scale has been performed for many yea
【机 构】
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LiaoningMarineFisheriesResearchInstitute,Liaoningopenlabofappliedmarinebiology,KeyLaboratoryofMarine
【出 处】
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18th International Pectinid Workshop(第18届国际扇贝研讨会)
论文部分内容阅读
The scallop, Patinopecten yessoensis, is one of the major species cultured in Chang Hai, and its culture in commercial scale has been performed for many years.The great expansion and intensification induced the massive mortality.For finding the reason, an intensive investigation was undertaken in the cultural waters of Guang Lu Island and Da Chang-Shan Island in 2010.Electron microscopic examinations of ultrathin sections reveal the presence of spherical virus-like particles in the mantle, gills, ovary, kidney, digestive gland and adductor muscle of moribund scallop Patinopecten yessoensis collected from cultural waters of Guang Lu Island and Da Chang-Shan Island.Relevant pathologic change can be observed.Virions are approximately 110 to 160 nm in diamameter and have a bilaminal envelope.Spike of envelope can be observed by negative stain after abecedarian isolation.The virus occurs and assembles in the cytoplasmic vesicles without occlusion.
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