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Diseases of Aquatic Organisms

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DAO 49:27-31 (2002)  -  doi:10.3354/dao049027

Subclinical herpesvirus infection in farmed turbot Scophthalmus maximus

H. Hellberg1,*, E. O. Koppang 2, B. Tørud3, I. Bjerkås 2

1National Veterinary Institute Bergen, PO Box 1263 Sentrum, 5811 Bergen, Norway
2Department of Morphology, Genetics and Aquatic Biology, Norwegian School of Veterinary Science, PO Box 8146 Dep., 0033 Oslo, Norway
3Veterinærtjenesten for fiskoppdrett i Hemme, Halsa, Aure og Snillfjord (VHHAS), 6687 Valsøyfjord, Norway

ABSTRACT: Subclinical infections with a herpesvirus were detected by light and electron microscopic examination of juvenile turbot collected during a national surveillance programme. Virions detected in the epidermis of skin and in the epithelium of gills had a morphology consistent with those of Herpesvirus scophthalmi described from turbot in the United Kingdom and Denmark. This is the first report of herpesvirus infection in turbot in Norway.

KEY WORDS: Herpesvirus · Subclinical infection · Scophthalmus maximus

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