Table 2.

Sensibility of YECA compared to PCA, CIN and YeCM against the four biotypes of Yersinia enterocolitica.

Dilution of the culture	Biotype 1A (IP124)				Biotype 2 (IP383)				Biotype 3 (IP29228)				Biotype 4 (IP134)
	PCA	CIN	YeCM	YECA	PCA	CIN	YeCM	YECA	PCA	CIN	YeCM	YECA	PCA	CIN	YeCM	YECA
−1				150 VC				NN				NN				NN
−2				32 VC				NN				NN				NN
−3				2 VC				NN				NN				NN
−4				0				NN				NN				NN
−5	>200	>200	>150	0	>300	>300	>300	>300 RF	>300	>250	>250	>400 RF	>300	>300	>300	>300 RF
−6	53	39	46	0	34	53	50	49 RF	86	101	82	91 RF	70	77	78	63 RF
−7	3	3	2	0	3	5	6	6 RF	12	11	9	12 RF	5	7	8	10 RF
−8	1	1	1	0	0	1	1	1 RF	0	0	1	2 RF	0	2	0	1 RF
−9	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
−10	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

VC: violet colonies; RF: red fuchsia colonies; NN: nonnumerable.