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  • 1 Szent István University, Budapest, H-1400, P.O. Box 2, Hungary
  • 2 Szent István University, Budapest, H-1400, P.O. Box 2, Hungary
  • 3 Hungarian Academy of Sciences, Budapest, Hungary
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Radiodiagnostic methods have not been used previously for studying the anatomy and diseases of the swimbladder of freshwater fish species. In this study, the radiographic anatomy of the swimbladder and species-related differences in swimbladder structure were studied on plain radiographs taken of 12 Hungarian fish species of major economic importance. Changes observed by radiography were also studied by conventional parasitological methods. The radiodiagnostic method reported here appears to be a useful complement to diagnostic examinations that have been based merely on dissection so far. It enables evaluation of the pathological lesions in live condition, without causing damage to the fish.

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