Acute dermatitis in farmed trout : an emerging disease

© 2014 Crown copyright.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 37(2014), 12 vom: 12. Dez., Seite 1021-9
1. Verfasser: Peeler, E J (VerfasserIn)
Weitere Verfasser: Ryder, D, Thrush, M A, Mewett, J, Hulland, J, Feist, S W
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't aetiology aquaculture dermatitis disease emergence epidemiology salmonid
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520 |a A new skin condition, known as puffy skin disease (PSD), emerged in farmed rainbow trout Oncorhynchus mykiss (Walbaum) in 2002. The number of new cases increased considerably from 2006. Clinical signs include white or grey skin patches, which become raised and red with excessive mucous production and scale loss. Fish are inappetant and lose condition. Histologically, the key feature is epithelial hyperplasia. We undertook a questionnaire study of trout farmers in England and Wales to investigate prevalence and risk factors. PSD was reported on 37% (n = 49) of rainbow trout sites, located in 28 river catchments. The increase in cases from 2006 onwards was mirrored by the increase in red mark syndrome (RMS). Prevalence and severity of PSD were highest in the summer months. The presence of PSD was associated with RMS (OR = 9.7, P < 0.001). Sites receiving live rainbow trout in the previous 12 months were considerably more likely to have PSD (OR = 5.3. P < 0.01), which suggests an infectious aetiology. The size of affected fish and prevalence varied between farms, indicating that farm-level factors are important. Future research should further investigate the aetiology of PSD and practices to manage the disease 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a aetiology 
650 4 |a aquaculture 
650 4 |a dermatitis 
650 4 |a disease emergence 
650 4 |a epidemiology 
650 4 |a salmonid 
700 1 |a Ryder, D  |e verfasserin  |4 aut 
700 1 |a Thrush, M A  |e verfasserin  |4 aut 
700 1 |a Mewett, J  |e verfasserin  |4 aut 
700 1 |a Hulland, J  |e verfasserin  |4 aut 
700 1 |a Feist, S W  |e verfasserin  |4 aut 
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