Table II.

Assessment of biotypes of Yersinia enterocolitica isolates according to Wauters et al. scheme (1987).

Strains	Biochemical tests									Biotype
	Lipase (Tween-esterase)	Esculin/salicin 24 h	Indole	Xylose	Trehalose/NO3	Pyrazinamidase	β-D-Glucosidase	Voges-Proskauer	Proline peptidase
2006RAT	+	+	+	+	+	+	+	+	V1	1A
SDWL-003	+	+	+	+	+	+	+	+	V1	1A
Ye92010	+	–	+	+	+	–	–	+	–	1B
NX-SA98-837	–	–	–	+	+	–	–	+	–	3

V¹ – variable