Sequential pathology of the gills of Coho salmon ...
|Title||Sequential pathology of the gills of Coho salmon with a combined diatom and microsporidian gill infection|
|Author(s)||David J. Speare, J. Brackett, H. W. Ferguson|
|Journal||The Canadian Veterinary Journal. La Revue Veterinaire Canadienne|
|Abstract||A large group of 40 gram Coho salmon smolts experienced 60% mortality within the first week after introduction to cages in sea-water. Histological and ultrastructural examination of sequential samples of gill tissue revealed a dramatic suppurative branchitis accompanied by extensive fusion of gill lamellae. This dramatic host response and subsequent high mortality appeared to be in response to a bloom of Corethron-like diatoms. A further complication was an extensive infection of endothelial cells of the gill vasculature by a microsporidian protozoan.|
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