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  • 1
    Electronic Resource
    Electronic Resource
    Studies with an experimental model for pancreas disease of Atlantic salmon Salmo Salar L. (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Aquaculture research 26 (1995), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: This paper describes reproducing pancreas disease in Atlantic salmon, Salmo salar L., parr with intraperitoneal inoculation of homogenized kidney and spleen taken From affected fish. Pancreatic necrosis and cardiomyopathy changes were induced consistently in all experimental groups. A time-course study demonstrated that pancreatic changes occurred as early as 4 days post inoculation and a repair process was evident in some fish on day 7 post inoculation. Heart lesions were first observed on day 5 post inoculation and increased in prevalence and severity as the experiment continued. Both types of lesion were serially passaged. and passively transmitted to fish cohabited with inoculated parr. The incidence of these changes was unaffected by passage of the infective homogenate through a 0.2 μ filter. The homogenate was inactivated after treatment with chloroform. Passive immunization with serum from recovered farmed salmon protected parr against challenge. It is suggested that pancreas disease is caused by a virus with a lipid envelope.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2109.1995.tb00881.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Studies on an experimental model for pancreas disease (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Aquaculture research 25 (1994), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. Pancreas disease (PD) was induced by inoculating freshwater parr, Salmo salar L., with a homogenate of pooled tissues collected from four fish in the acute phase of disease. Pathological changes were observed in the liver and pancreas on day 4 post inoculation (PI) and in the heart on day 8 PI. Regeneration of necrotic acinar tissue was evident by day 8 PI. The infectious nature of PD was manifested by fish cohabiting with experimentally infected fish succumbing to PD after 13 days. The PD agent/agents retained its infectivity after filtration through a 0-2-μm filter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2109.1994.tb00683.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Observation of a rickettsia-like organism in Atlantic salmon, Salmo salar L., in Ireland (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 16 (1993), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. A rickettsia-like organism was observed in tissues of farmed Atlantic salmon, Salmo salar L., experiencing mortalities in the West of Ireland. Gross pathology of affected fish included haemorrhages in the skeletal muscle, splenomegaly, congestion of pyloric caeca and yellow mottling of livers, which appeared in ring formations in some cases. Histopathology was most obvious in the spleens, livers, kidneys and hearts, with widespread tissue necrosis and numerous basophilic granules present in the cytoplasm and cytoplasmic vacuoles of a variety of cells. Transmission electron microscopy revealed micro-organisms within membrane-bound cytoplasmic vacuoles similar in appearance to rickettsia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1993.tb00869.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The sequential pathology of pancreas disease in Atlantic salmon farms in Ireland (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 15 (1992), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract A description is given of cardiac and skeletal myopathy in Atlantic salmon, Sahno salar L., during pancreas disease. Post-smous in two farms were sampled weekly from April to Oetober. Panereas disease was diagnosed at 9 and 13 weeks after sea transfer on the two farms, respeetively. Myodegenerative lesions were observed in the hearts of fish with hoth normal and diseased panereas. The prevalenee of heart lesions was highest amongst fish affeetcd with panereas disease. Skeletal myopathy of red fibres was observed only in fish in the recovery and chronic phases of disease, whereas white fibre changes were observed in fish with normal pancreas and fish affeetcd with panereas disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1992.tb01239.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Microsporidian infection in Atlantic salmon, Salmo salar L. (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 15 (1992), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1992.tb00657.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Observations on the role of the caseinase enzyme in the pathogenesis of furunculosis (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 12 (1989), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Abstract. The role of the caseinase extracellular enzyme in the pathogenesis of furunculosis was investigated. Natural and mutant strains of Aeromonas salmonicida which were unable, or limited, in their ability to produce this enzyme were studied. The virulence of the mutant strains of A. salmonicida was not significantly reduced by the lack of extracellular caseinase production. Furthermore, there was no difference in the toxicity of extracellular products produced by these mutant strains and the wild-type A. salmonicida strain studied. It is reasonable to assume from these results that the caseinase enzyme has no major role in the pathogenesis of A. salmonicida infections.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1989.tb01289.x
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    Paper (German National Licenses)
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