The pathology of chronic ammonia toxicity in rainbow ...
|Title||The pathology of chronic ammonia toxicity in rainbow trout, Salmo gairdneri Richardson|
|Author(s)||P. Daoust, H. Ferguson|
|Journal||Journal of Fish Diseases|
|Abstract||Two groups of rainbow trout fingerlings were exposed for 90 days to 0.2 and 0.4 mg/l of un-ionized ammonia, respectively. Several fish exposed to the higher concentration soon developed clinical signs suggestive of a neurological dysfunction but subsequently recovered. No lesion attributable to ammonia was seen in the gills of any of the fish. This raises questions about the precise role of ammonia in the production of gill diseases in intensively cultured trout..|
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