Infectious pancreatic necrosis: first isolation of virus from fish in Norway. |
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| Authors: | T Hastein J Krogsrud |
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| Institution: | The National Veterinary Institute, Postbox 8156, Oslo Dep., Oslo 1, Norway |
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| Abstract: | Infectious pancreatic necrosis (IPN) is a disease of salmonid fishes. It has been reported in many countries throughout the world (M’Gonigle 1940, Wood et al. 1955, Besse & Kinkelin 1965, Vestergård Jørgensen & Bregnballe 1969, Sano 1971, Ball et al 1971, Ljungberg & Vestergård Jørgensen 1972, Schlotfeldt et al. 1975). Outbreaks of the disease can cause serious losses in populations of hatchery reared salmonids, the mortality rate varying between 10 and 90 % (Vestergård Jørgensen & Kehlet 1971). There are at least four different serotypes of the virus distinguished by neutralization tests (Wolf et al. 1968). Twenty-five isolates of IPN virus in Denmark proved to represent only two serotypes (Sp and Ab) (Vestergård Jørgensen & Kehlet). The present paper reports the first isolation of IPN virus from the stock at a fish farm in Norway. |
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