Visceral mycosis in Chinook salmon (Oncorhynchus tschawytscha) due to Sporobolomyces salmonicolor.
One-month-old Chinook salmon fry from a cold-water hatchery were presented live for euthanasia and necropsy. Gross lesions were emaciation in 90% of the fry and ascites and increased cutaneous pigmentation in the remaining 10%. A cause for the emaciation was not determined. Histologically, the fry with ascites and increased pigmentation had visceral mycosis with aerocystitis, myositis, peritonitis, and dermatitis. Sporobolomyces salmonicolor, a rare human pathogen, was isolated and identified in tissue sections from affected fry.
Muench
T M
TM
Animal Disease Diagnostic Laboratory, Purdue University, West Lafayette, IN, USA.
White
M R
MR
Wu
C C
CC
D000818:Animals; D005393:Fish Diseases / Q000382:microbiology* / Q000473:pathology; D009181:Mycoses / Q000150:complications / Q000382:microbiology / Q000473:pathology / Q000662:veterinary*; D012474:Salmon / Q000382:microbiology*; D015003:Yeasts / Q000302:isolation & purification*