Enteric redmouth disease is described in chinook salmon (Oncorhynchus tshawytscha) at a state hatchery in Sand Ridge, Illinois. Biochemical, isoenzyme, and serological data indicated that the epizootic was caused by a sorbitol-fermenting Serovar 2 strain of Yersinia ruckeri. In laboratory experiments the isolate was pathogenic for both brook trout (Salvelinus fontinalis) and Atlantic salmon (Salmo salar).
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1 October 1986
AN EPIZOOTIC IN CHINOOK SALMON (ONCORHYNCHUS TSHAWYTSCHA) CAUSED BY A SORBITOL-POSITIVE SEROVAR 2 STRAIN OF YERSINIA RUCKERI
Rocco C. Cipriano,
W. B. Schill,
Stephen W. Pyle,
Rodney Horner