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Proliferative kidney disease: first reported outbreak in North America
Author(s) -
SMITH C. E.,
MORRISON J. K.,
RAMSEY H. W.,
FERGUSON H. W.
Publication year - 1984
Publication title -
journal of fish diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 85
eISSN - 1365-2761
pISSN - 0140-7775
DOI - 10.1111/j.1365-2761.1984.tb00925.x
Subject(s) - outbreak , rainbow trout , hatchery , histopathology , biology , salmo , kidney , pathology , fish <actinopterygii> , physiology , fishery , medicine , virology , endocrinology
. Proliferative kidney disease (PKD) was diagnosed in rainbow trout, Salmo gairdneri Richardson, at the Hagerman, Idaho, State Fish Hatchery. Wild fish from Riley Creek, one of the hatchery water supplies, were infected with PKD organisms. Clinical signs, gross pathology and histopathology of affected fish were typical of those reported for PKD in salmonids from European hatcheries. In addition to lesions normally seen, we observed a severe vasculitis and occlusion of renal and hepatic vessels. Ultrastructure of the PKD organism and possible inclusion body production sites are described. The disease outbreak was complicated by the presence of other infectious diseases. This is the first recorded outbreak of PKD in North America.