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Stomach Distension Syndrome of Seawater Farmed Rainbow Trout(Oncorhynchus mykiss)  

Kim, Wi-Sik (Department of Aqualife Medicine, Chonnam National University)
Kong, Kyoung-hui (Department of Aqualife Medicine, Chonnam National University)
Oh, Myung-Joo (Department of Aqualife Medicine, Chonnam National University)
Publication Information
Korean Journal of Ichthyology / v.29, no.1, 2017 , pp. 75-79 More about this Journal
Abstract
About 10% mortality occurred in cultured rainbow trout Oncorhynchus mykiss at a marine farm in Jeju in 2014. Diseased fish showed markedly abdominal distension and distended stomach. Although parasites, bacteria or viruses were not isolated from diseased fish, numerous Candida sp. were isolated from distended stomach. In experimental infection with Candida sp., mortality was not observed in most fish and clinical sign of distended stomach was not observed in the fish. These results suggest that Candida sp. may not be the etiologic agent of stomach distension syndrome. This is the first report of stomach distension syndrome in seawater farmed rainbow trout in Korea.
Keywords
Abdominal distension; bloat; Candida sp.; rainbow trout; stomach;
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