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Nodular gill disease: a unique form of proliferative gill disease in rainbow trout, Salmo gairdneri Richardson
Author(s) -
DAOUST P.Y.,
FERGUSON H. W.
Publication year - 1985
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.1365-2761.1985.tb00966.x
Subject(s) - rainbow trout , salmo , biology , outbreak , disease , anatomy , zoology , pathology , fish <actinopterygii> , fishery , virology , medicine
. An outbreak of proliferative gill disease occurred in a group of rainbow trout fingerlings. kept for experimental purposes. Lesions were multifocal among filaments and uniquely severe in the distal region of affected filaments, forming nodules; this contrasted with the more common forms of proliferative gill disease in Ontario, such as bacterial gill disease, in which lesions are diffuse along and among filaments. The cause of the condition is unknown, although cells with a very distinctive morphology were closely associated with the lesions.