Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion
The microsporidian Paranucleospora theridion was discovered in Atlantic salmon Salmo salar suffering from proliferative gill disease in a marine farm in western Norway in 2008. The parasite develops in cells of the reticuloendothelial system, cells important for normal immune function. The aim of th...
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| Veröffentlicht in: | Diseases of aquatic organisms 2011-03, Vol.94 (1), p.41-57 |
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| creator | NYLUND, S ANDERSEN, L SAEVAREID, I PLARRE, H WATANABE, K ARNESEN, C. E KARLSBAKK, E NYLUND, A |
| description | The microsporidian Paranucleospora theridion was discovered in Atlantic salmon Salmo salar suffering from proliferative gill disease in a marine farm in western Norway in 2008. The parasite develops in cells of the reticuloendothelial system, cells important for normal immune function. The aim of this study was to see if P. theridion could play a part in some of the diseases with unclear causes in salmon production in Norway, i.e. proliferative gill disease (PGI), pancreas disease (PD), heart and skeletal muscle inflammation (HSMI) and cardiomyopathy syndrome (CMS). P. theridion was present in all areas with salmon farming in Norway, but high prevalence and densities of the parasite in salmon and salmon lice were only seen in southern Norway. This region is also the main area for PGI and PD in Norway. Quantification of pathogens associated with PGI, PD, HSMI and CMS diagnoses showed that P. theridion levels are high in southern Norway, and may therefore play a role in susceptibility and disease development. However, among the different diagnoses, fish with PGI are particularly heavily infected with P. theridion. Therefore, P. theridion appears as a possible primary agent in cases with high mortality in connection with PGI in western Norway. |
| doi_str_mv | 10.3354/dao02313 |
| format | Article |
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This region is also the main area for PGI and PD in Norway. Quantification of pathogens associated with PGI, PD, HSMI and CMS diagnoses showed that P. theridion levels are high in southern Norway, and may therefore play a role in susceptibility and disease development. However, among the different diagnoses, fish with PGI are particularly heavily infected with P. theridion. Therefore, P. theridion appears as a possible primary agent in cases with high mortality in connection with PGI in western Norway.</description><identifier>ISSN: 0177-5103</identifier><identifier>EISSN: 1616-1580</identifier><identifier>DOI: 10.3354/dao02313</identifier><identifier>PMID: 21553567</identifier><identifier>CODEN: DAOREO</identifier><language>eng</language><publisher>Oldendorf: Inter-Research</publisher><subject>Animal aquaculture ; Animal productions ; Animals ; Aquaculture ; Biological and medical sciences ; Fish Diseases - epidemiology ; Fish Diseases - microbiology ; Fish Diseases - parasitology ; Fundamental and applied biological sciences. 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E</creatorcontrib><creatorcontrib>KARLSBAKK, E</creatorcontrib><creatorcontrib>NYLUND, A</creatorcontrib><title>Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion</title><title>Diseases of aquatic organisms</title><addtitle>Dis Aquat Organ</addtitle><description>The microsporidian Paranucleospora theridion was discovered in Atlantic salmon Salmo salar suffering from proliferative gill disease in a marine farm in western Norway in 2008. The parasite develops in cells of the reticuloendothelial system, cells important for normal immune function. The aim of this study was to see if P. theridion could play a part in some of the diseases with unclear causes in salmon production in Norway, i.e. proliferative gill disease (PGI), pancreas disease (PD), heart and skeletal muscle inflammation (HSMI) and cardiomyopathy syndrome (CMS). P. theridion was present in all areas with salmon farming in Norway, but high prevalence and densities of the parasite in salmon and salmon lice were only seen in southern Norway. This region is also the main area for PGI and PD in Norway. Quantification of pathogens associated with PGI, PD, HSMI and CMS diagnoses showed that P. theridion levels are high in southern Norway, and may therefore play a role in susceptibility and disease development. However, among the different diagnoses, fish with PGI are particularly heavily infected with P. theridion. Therefore, P. theridion appears as a possible primary agent in cases with high mortality in connection with PGI in western Norway.</description><subject>Animal aquaculture</subject><subject>Animal productions</subject><subject>Animals</subject><subject>Aquaculture</subject><subject>Biological and medical sciences</subject><subject>Fish Diseases - epidemiology</subject><subject>Fish Diseases - microbiology</subject><subject>Fish Diseases - parasitology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gills - microbiology</subject><subject>Gills - pathology</subject><subject>Heart Diseases - microbiology</subject><subject>Heart Diseases - veterinary</subject><subject>Inflammation - microbiology</subject><subject>Inflammation - pathology</subject><subject>Marine</subject><subject>Microsporidia - classification</subject><subject>Microsporidiosis - epidemiology</subject><subject>Microsporidiosis - microbiology</subject><subject>Microsporidiosis - veterinary</subject><subject>Muscle, Skeletal - microbiology</subject><subject>Muscle, Skeletal - pathology</subject><subject>Norway - epidemiology</subject><subject>Pancreas - microbiology</subject><subject>Pancreas - pathology</subject><subject>Pancreatic Diseases - microbiology</subject><subject>Pancreatic Diseases - veterinary</subject><subject>Pisciculture</subject><subject>Salmo salar</subject><subject>Vertebrate aquaculture</subject><issn>0177-5103</issn><issn>1616-1580</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqN0U1Lw0AQBuBFFK1V8BfIXkQv0f1OcpT6CQUFew-TzYauJNm6kyL99ya26tXTsDsPAzMvIWecXUup1U0FgQnJ5R6ZcMNNwnXG9smE8TRNNGfyiBwjvjPGRa75ITkSXGupTTohmzuPDtAhDTWtIbauord9A13vLUVo2tDRt7GMD4gUEIP10A_s0_dL6rva2d6HDmm5of3S0dbbGHAVoq88dPQVInRr27jvPxjJ2AndCTmooUF3uqtTsni4X8yekvnL4_Psdp5YmWZ9ossyr1wmQYHVrJIalDR5Lq0RLrVGyYqnkoEq61pYVZWOayOMA22kYbqSU3K5HbuK4WPtsC9aj9Y1w4ourLHIjGFKKCH-IVVuFMvMIK-2ctwUo6uLVfQtxE3BWTEGUvwEMtDz3dB1Odz2F_4kMICLHQC00NTDtazHPyfzjKfDrC9WxZTB</recordid><startdate>20110316</startdate><enddate>20110316</enddate><creator>NYLUND, S</creator><creator>ANDERSEN, L</creator><creator>SAEVAREID, I</creator><creator>PLARRE, H</creator><creator>WATANABE, K</creator><creator>ARNESEN, C. 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E</au><au>KARLSBAKK, E</au><au>NYLUND, A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion</atitle><jtitle>Diseases of aquatic organisms</jtitle><addtitle>Dis Aquat Organ</addtitle><date>2011-03-16</date><risdate>2011</risdate><volume>94</volume><issue>1</issue><spage>41</spage><epage>57</epage><pages>41-57</pages><issn>0177-5103</issn><eissn>1616-1580</eissn><coden>DAOREO</coden><abstract>The microsporidian Paranucleospora theridion was discovered in Atlantic salmon Salmo salar suffering from proliferative gill disease in a marine farm in western Norway in 2008. The parasite develops in cells of the reticuloendothelial system, cells important for normal immune function. 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Therefore, P. theridion appears as a possible primary agent in cases with high mortality in connection with PGI in western Norway.</abstract><cop>Oldendorf</cop><pub>Inter-Research</pub><pmid>21553567</pmid><doi>10.3354/dao02313</doi><tpages>17</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Diseases of aquatic organisms, 2011-03, Vol.94 (1), p.41-57 |
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| source | MEDLINE; Inter-Research; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Animal aquaculture Animal productions Animals Aquaculture Biological and medical sciences Fish Diseases - epidemiology Fish Diseases - microbiology Fish Diseases - parasitology Fundamental and applied biological sciences. Psychology Gills - microbiology Gills - pathology Heart Diseases - microbiology Heart Diseases - veterinary Inflammation - microbiology Inflammation - pathology Marine Microsporidia - classification Microsporidiosis - epidemiology Microsporidiosis - microbiology Microsporidiosis - veterinary Muscle, Skeletal - microbiology Muscle, Skeletal - pathology Norway - epidemiology Pancreas - microbiology Pancreas - pathology Pancreatic Diseases - microbiology Pancreatic Diseases - veterinary Pisciculture Salmo salar Vertebrate aquaculture |
| title | Diseases of farmed Atlantic salmon Salmo salar associated with infections by the microsporidian Paranucleospora theridion |
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