Gross, Radiological and Anatomical Findings of Goldfish with Tenpuku Disease.

概要

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"Tenpuku disease"is an idiopathic disease characterized by an unusual swimming style, which occurs in goldfish with rounded body shapes after sudden declines in water temperature and/or during the winter time. The present study describes the results of gross, radiological and anatomical examinations of the diseased fish in comparison with healthy ones. This study revealed that the diseased fish showed a variety of unbalanced swimming styles, and also possessed higher swimming bladder angles and larger swim bladder cranial chambers than those in the healthy fish. In addition, lateral displacement of the swim bladder in the body cavity was observed in the diseased fish which displayed lateral turning in the water column. However, these factors were thought insufficient to explain the pathogenesis of the abnormal swimming styles found in the diseased fish. This paper is the first scientific description of this disease.
日本水産増殖学会の論文