Mass Mortality of Cage-cultured Orange-spotted Grouper Epinephelus coioides Associated with Renal Sphaerosporosis Caused by Sphaerospora epinepheli in South China Sea

文献类型： 外文期刊

第一作者： Xu, Li-Wen

作者： Xu, Li-Wen;Feng, Juan;Zhang, Jing-Yong;Wang, Jian-Guo

作者机构：

关键词： renal sphaerosporosis;Sphaerospora epinepheli;Epinephelus coioides;grouper

期刊名称：FISH PATHOLOGY （ 影响因子：0.6； 五年影响因子：0.802 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： In November 2011, the renal sphaerosporosis was found in cage-cultured orange-spotted grouper Epinephelus coioides in a fish farm in Guangdong, China. The infected fish exhibited emaciation, anaemia, anorexia, renomegaly, slight splenomegaly, and occasionally skin ulcer. The cumulative mortality reached at 50% to 80% within 2 weeks, when water temperature ranged from 21 degrees C to 27 degrees C. The renal tubules were almost completely occluded by sporogonic pseudoplasmodia of a myxosporean, and mature spores were found in the lumen. Combined with morphological, histopathological, and molecular analyses, Sphaerospora epinepheli was suggested as the etiological agent. This is the first report of mortality case of cultured E. coioides associated with S. epinepheli.

分类号： S94

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