TABLE 4.
Sensitivities for recovery of group B and D Salmonella spp. by the direct-plating XLD, GN enrichment broth, and SBG enrichment broth methods
| No. of Salmonella spp. (CFU) | No. of specimens (%) with recoverya
|
||
|---|---|---|---|
| Direct plating onto XLD agar | GN broth culture for 6 hb | SBG broth culture for 16 hc | |
| Group B | |||
| 104 | 15 (100) | 15 (100) | 15 (100) |
| 103 | 12 (80) | 12 (80) | 15 (100) |
| 102 | 3 (20) | 8 (53) | 14 (93) |
| 101 | 2 (13) | 4 (27) | 12 (80) |
| 1 | 0 (0) | 2 (13) | 7 (47) |
| Group D | |||
| 104 | 15 (100) | 15 (100) | 15 (100) |
| 103 | 10 (67) | 11 (73) | 15 (100) |
| 102 | 3 (20) | 8 (53) | 12 (80) |
| 101 | 2 (13) | 3 (20) | 10 (67) |
| 1 | 0 (0) | 1 (7) | 5 (33) |
a
A total of 15 specimens were analyzed.
b
The specimens were incubated in GN enrichment broth for 6 h and then subcultured onto XLD agar plates.
c
The specimens were incubated in SBG enrichment broth for 16 h and then subcultured onto XLD agar plates.