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Título: | Myxosporean infection causing intestinal disease in farmed turbot, Scophthalmus maximus (L.), (Teleostei: Scophthalmidae) |
Autor: | Branson, E.; Riaza, Ana; Álvarez-Pellitero, Mª del Pilar CSIC | Fecha de publicación: | sep-1999 | Editor: | John Wiley & Sons | Citación: | Journal of Fish Diseases 22(5): 395-399 (1999) | Resumen: | The present report describes an intestinal disease which causes important losses in farmed turbot. Mortality rates were higher in summer and reached 100% in all tanks where the disease was confirmed. Affected fish showed external signs consisting of anorexia, sunken eyes and a typical prominent bony ridge on the skull. These signs can be considered the pathognomonic signs of the disease, together with the gut lesions seen in the histological study. Pallor of the internal organs, intestinal haemorrhages and the presence of liquid in the intestine were also observed, with ascites in heavily infected fish. Histopathological damage was evident in the gut, with severe enteritis, detachment of epithelium, haemorrhages and inflammation of the subepithelial connective tissue. The myxosporean aetiology was demonstrated in all the fish showing the characteristic signs of disease. Myxosporean stages, including scarce spores, were found in the affected epithelium or free in the intestinal lumen together with epithelial debris. The present study demonstrates the importance of this myxosporean disease which represents a serious threat for turbot culture. This is also the first record of a member of the Myxosporea in turbot. | Versión del editor: | http://dx.doi.org/10.1046/j.1365-2761.1999.00193.x | URI: | http://hdl.handle.net/10261/254051 | DOI: | 10.1046/j.1365-2761.1999.00193.x | Identificadores: | doi: 10.1046/j.1365-2761.1999.00193.x issn: 0140-7775 e-issn: 1365-2761 |
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