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667
Salmo trutta
Trout, Brown
Sphaerosporosis
Sphaerospora sp. (Presumptive S.truttae)
Sphaerospora sp. (Presumptive S.truttae)
Significant disease problem in hatchery situations.
Marked inflammatory response to the parasite, especially in the pronephros. Stages are both histozoic and coelozoic in renal tubules and glomerular space.
Trout hatchery
NORWAY
Trygve Poppe
10/1/1998