TABLE 2:
Results of screening PCR and confirmatory tests to detect presumptive STEC positive samples in cattle faeces and hides
| Samples | PCR screening on enrichment cultures |
Number of E coli O157 and O26 detected by IMS (%) |
|||||
|---|---|---|---|---|---|---|---|
| N° of samples stx1/stx2-positive (%) | Number of samples with STEC isolation (%) | O157 | O26 | ||||
| O157 | O26 | O111 | OND | ||||
| Cattle faeces (N=160) | 34 (21.3) | 5 (3.1) | 3 (1.9) | 1 (0.6) | 4 (2.5) | 10 (6.3) | 6 (3.8) |
| Cattle hides (N=160) | 14 (8.8) | 2 (1.3) | 2 (1.3) | – | – | 4 (2.5) | 2 (1.3) |
IMS, immunomagnetic separation; STEC, Shiga toxin-producing Escherichia coli