A Selective Chromogenic Plate, YECA, for the Detection of Pathogenic Yersinia enterocolitica: Specificity, Sensitivity, and Capacity to Detect Pathogenic Y. enterocolitica from Pig Tonsils
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.
