Granulomatous skin lesions were identified in a population of yellow perch (Perca flavescens) from Sandy Lake (Alberta, Canada) in 1985. Severe granulomatous peritonitis and hepatitis was identified subsequently in a separate population of yellow perch from Wolf Lake (Alberta, Canada). Mycobacterium chelonae was isolated from affected fish in both epizootics. The source and route of infection were not determined in either case. The nature of the inflammatory reaction in both cases suggested a depressed immunity.
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1 January 1989
MYCOBACTERIOSIS IN YELLOW PERCH (PERCA FLAVESCENS) FROM TWO LAKES IN ALBERTA
P.-Y. Daoust,
B. E. Larson,
G. R. Johnson
Journal of Wildlife Diseases
Vol. 25 • No. 1
January 1989
Vol. 25 • No. 1
January 1989
case report
mycobacteriosis
Mycobacterium chelonae
Perca flavescens
peritonitis
skin lesions
Yellow perch