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Coccidia, X-cell pseudotumors and Ichthyophonus sp. infections in walleye pollock (Theregra chalcogramma) from Auke Bay, Alaska.

https://arctichealth.org/en/permalink/ahliterature4139
Source
J Wildl Dis. 1991 Jan;27(1):140-3
Publication Type
Article
Date
Jan-1991
Author
W D Eaton
M L Kent
T R Meyers
Author Affiliation
Juneau Center for Fisheries and Ocean Sciences, University of Alaska Fairbanks 99801.
Source
J Wildl Dis. 1991 Jan;27(1):140-3
Date
Jan-1991
Language
English
Publication Type
Article
Keywords
Animals
Coccidia - isolation & purification
Fishes - parasitology
Neoplasms - veterinary
Research Support, U.S. Gov't, Non-P.H.S.
Zygomycota - isolation & purification
Abstract
One hundred twenty-five walleye pollock (Theragra chalcogramma) were collected from Auke Bay, Alaska (USA) in 1985 and examined for histologic evidence of disease-causing infectious agents in 1987. A Goussia sp.-like coccidium was found in the kidney tubules of 75% and an Eimeria sp.-like coccidium was found in the intestine of 18% of the fish examined. The kidney coccidium was associated with sloughing of the tubular epithelium, peritubular fibrosis and granuloma formation. The intestinal coccidium was associated with severe tissue displacement and inflammation. In addition, X-cell pseudotumors were observed in the pseudobranchs (4%), and the fungus Ichthyophonus sp. was observed in the kidney, intestine or brain of 2% of the pollock.
PubMed ID
2023313 View in PubMed
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