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于1994年广东斗门县一中华鳖（Trionyxsinensis）养殖场患红脖子病中华鳖和1996年广东东莞市一中华鳖养殖场患红底板和白底板病中华鳖中检测到3种病毒．红脖子病中华鳖检测到的病毒粒子吴杆状，具囊膜，大小103nm×（293～330）um，核衣壳大小69nm×（241～270）nm，于肠肌细胞质中复制、装配和成熟．在白底板中华鳖检测到的病毒粒子圆球形，无囊膜，直径70～75nm，于脾、肾和胃组织细胞质和细胞核中复制、装配和成熟．在红底板中华鳖肠细胞，检测到的病毒粒子直径85～90um，于肠细胞核中复制、装配和成熟．
Three viruses were detected in red-necked soft-shelled turtle Trionyxsinensis farms in Doumen County, Guangdong Province in 1994, and red-shelled turtle beds and white-shelled board turtles in soft shelled turtle farms in Dongguan, Guangdong Province in 1996. The virus particles detected in the red-necked disease juvenile soft-shelled turtle, Wu rod-shaped, with an envelope of 103 nm × (293-330) um in size and 69 nm × (241-270) nm in nucleocapsid size, were replicated and assembled in the cytoplasm of the intestinal muscle mature. In the white plate of soft-shelled turtle virus particles detected spherical, non-membrane, diameter 70 ~ 75nm, in the spleen, kidney and stomach tissue cytoplasm and nucleus replication, assembly and maturation. In the red plate of Chinese soft-shelled turtle intestinal cells, the detected virus particles diameter 85 ~ 90um, in the nucleus replication, assembly and maturation.