| A study of gross, histological and blood biochemical changes in rainbow trout, Oncorhynchus mykiss (Walbaum), with rainbow trout gastroenteritis (RTGE). | |
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MedLine Citation:
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PMID: 20059635 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The mechanisms behind the pathogenesis of rainbow trout gastroenteritis (RTGE) are still unknown. This study examined the macroscopic and microscopic changes in trout with RTGE (RTGE+), as well as the blood chemistry. A total of 464 rainbow trout were sampled from 11 sites in the UK, comprising 152 RTGE+ fish and 330 random, apparently healthy fish. A case definition for RTGE was assessed by the analysis of its agreement with three laboratory tests: histopathology, packed cell volume and kidney bacteriology. Cluster analysis indicated the presence of three distinct presentations within the population of RTGE+ fish. Cluster A included gross signs associated with moribund RTGE+ fish, and clusters B and C identified gross signs consistent with concurrent diseases, notably furunculosis, enteric redmouth and proliferative kidney disease. The information gained was used to select RTGE+ fish without concurrent disease for the analysis of RTGE pathogenesis with blood biochemistry. This analysis revealed a severe osmotic imbalance and a reduced albumin/globulin ratio as indicatives of selective loss of albumin. These findings are compatible with a protein losing enteropathy. |
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Authors:
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J Del-Pozo; J F Turnbull; M Crumlish; H W Ferguson |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-01-03 |
Journal Detail:
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Title: Journal of fish diseases Volume: 33 ISSN: 1365-2761 ISO Abbreviation: J. Fish Dis. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-03 Completed Date: 2010-08-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9881188 Medline TA: J Fish Dis Country: England |
Other Details:
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Languages: eng Pagination: 301-10 Citation Subset: IM |
Affiliation:
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Institute of Aquaculture, University of Stirling, Stirling, UK. londig@hotmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Blood Chemical Analysis Body Constitution / physiology Body Weight / physiology Cluster Analysis Diagnostic Tests, Routine / veterinary Fish Diseases / diagnosis, pathology*, physiopathology Gastroenteritis / diagnosis, pathology, physiopathology, veterinary* Oncorhynchus mykiss* Sensitivity and Specificity |
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