Document Detail

The effects of changing demographics on the distribution of marine anemia in farmed salmon in British Columbia.
MedLine Citation:
PMID:  7497425     Owner:  NLM     Status:  MEDLINE    
The changing geographic distribution of marine anemia (plasmacytoid leukemia) was compared with the evolving demographics of the chinook farming industry in British Columbia to explore the hypothesis that the disease had spread throughout the province between 1987 and 1992. Through retrospective and prospective methods, it was shown that the apparent spread of the disease was likely an artifact, resulting from changes in the distribution of fish farms throughout the province and corresponding changes in the intensity of regional disease surveillance. When viewed over a 5-year period, there were no statistically significant differences in the prevalence of the disease amongst fish sampled from each of the major salmon farming regions of British Columbia. By increasing the intensity of surveillance for the disease in apparently negative regions or chinook farms, one could routinely find cases of the disease. The results suggest that marine anemia is an endemic problem for farmed chinook salmon in British Columbia and is not a spreading epidemic.
R C Stephen; C S Ribble
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Canadian veterinary journal. La revue vétérinaire canadienne     Volume:  36     ISSN:  0008-5286     ISO Abbreviation:  Can. Vet. J.     Publication Date:  1995 Sep 
Date Detail:
Created Date:  1996-01-16     Completed Date:  1996-01-16     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  0004653     Medline TA:  Can Vet J     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  557-62     Citation Subset:  IM    
Department of Veterinary Microbiology, Western College of Veterinary Medicine, Saskatoon, Saskatchewan.
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MeSH Terms
Anemia / epidemiology,  veterinary*
British Columbia / epidemiology
Fish Diseases / epidemiology*
Prospective Studies
Retrospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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