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http://dx.doi.org/10.7847/jfp.2012.25.1.059

Studies on the overinflation of the Cardiac Stomach in Sterlet Sturgeon Acipenser ruthenus, fingerlings  

Park, Sung-Woo (Department of Aquatic life Medicine, Kunsan National University)
Yu, Jin-Ha (Gyeonggi Province Freshwater Fisheries Research Institute)
Han, Jung-Jo (Fishery Products Quality and Safety Division, Honam regional Office, Animal, Plant and Fisheries Quarantine and Insepection Agency)
Publication Information
Journal of fish pathology / v.25, no.1, 2012 , pp. 59-65 More about this Journal
Abstract
Overinflation of cardiac stomach occurred in farmed sterlet sturgeon (Acipenser ruthenus) fingerlings. Affected fish congregated and swam upside-down near the edges of the tanks with abdominal distension. When pressed the dilated abdomen, the fish often exhibited a normal swimming pattern for some time, then resumed their characteristic upside-down swimming patterns. Internally, the fish showed abdominal dropsy and dilated stomach filled with yellowish granular contents. When the contents in the stomach, fish feed, water and excrement in the farm inoculated on Sabouraud destrose agar (SDA) at $25^{\circ}C$ for 48 hr. Candida sp. were isolated except from the feed. Candida sp. in excrement or water in the farm may enter into the stomach with feed and then produce gases in the metabolic process, which in turn may cause the stomach overinflation.
Keywords
Candida sp.; Sturgeon; Overinflation; Stomach;
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