TABLE 2.

Phenotypic characterization of the ten Yersinia ruckeri strains.

Strain number	Biochemical identification	CO	Catalase	Gram staining	Morphology	Motility	API 20E	Glucose/Gas	Tween 80	Tween 20	Xylose	Nitrate	Gelatinase	Citrate	VP	MR	Sorbitol	OF-O/F	N2
16Y0180	Y. ruckeri	−	+	−	rods	+	1105100	+	nd	nd	−	nd	−	−	+	nd	−	nd	nd
17Y0153	Y. ruckeri	−	+	−	short rods	−	530710017	+/−	−	−	−	+	+	+	+	+	−	+/+	nd
17Y0155	Y. ruckeri	−	+	−	short rods	+	530710057	+/−	+	+	−	+	+	−	+	+	−	+/+	nd
17Y0157	Y. ruckeri	−	+	−	short rods	+	530750057	+/−	+	+	−	−	+	+	+	−	+	+/+	+
17Y0159	Y. ruckeri	−	+	−	rods	+	530570057	+/−	+	+	−	+	−	+	+	−	+	nd	nd
17Y0161	Y. ruckeri	−	+	−	short rods	+	530750047	+/−	+	+	−	+	+	+	+	−	+	+/+	nd
17Y0163	Y. ruckeri	−	+	−	short rods	+	530750057	+/−	+	+	−	+	+	+	+	−	+	+/+	nd
17Y0189	Y. ruckeri	−	+	−	rods	−	5107100	+	nd	nd	−	nd	+	−	+	nd	−	nd	nd
17Y0412	Y. ruckeri	−	+	−	rods	+	5107100	+	nd	nd	−	nd	+	−	+	nd	−	nd	nd
17Y0414	Y. ruckeri	−	+	−	rods	+	5107100	+	nd	nd	−	nd	+	−	+	nd	−	nd	nd

CO: cytochrome oxidase reaction; VP: Voges-Proskauer test; MR: methyl red test; OF-F/O: Oxidation-Fermentation; nd: not determined.