Table 2 Detection of Salmonella Typhimurium in artificially contaminated animal feeds by the NMKL71 (RVS), MSRV and EN ISO 6579:2002 methods (RVS + MKTTn).
From: A comparative study of cultural methods for the detection of Salmonellain feed and feed ingredients
Feed type | Selective medium | cfu/25 g of Salmonella Typhimurium | |||||
|---|---|---|---|---|---|---|---|
|  |  | 0 | 0–1 | 1–10 | 10-102 | 102–103 | 103–104 |
Pellets of pig feed | RVS | 0/5 | 0/5 | 0/5 | 5/5 | 5/5 | -* |
| Â | MSRV | 0/5 | 0/5 | 0/5 | 5/5 | 5/5 | - |
| Â | MKTTn | 0/5 | 0/5 | 0/5 | 5/5 | 5/5 | - |
Soybean meal | RVS | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MSRV | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MKTTn | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
Palm kernel meal | RVS | 0/5 | - | 0/5 | 0/5 | 5/5 | 5/5 |
| Â | MSRV | 0/5 | - | 0/5 | 0/5 | 5/5 | 5/5 |
| Â | MKTTn | 0/5 | - | 0/5 | 0/5 | 5/5 | 5/5 |
Rape seed meal | RVS | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MSRV | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MKTTn | 0/5 | 0/5 | 5/5d | 5/5d | 5/5 | - |
Wheat grain | RVS | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MSRV | 0/5 | 0/5 | 5/5 | 5/5 | 5/5 | - |
| Â | MKTTn | 0/5 | 0/5 | 5/5 | 5/5c | 5/5b | - |
Scrapings from feed mill | RVS | 0/5 | 0/5 | 0/5 | 5/5 | 5/5a | - |
| Â | MSRV | 0/5 | 0/5 | 0/5 | 5/5 | 5/5 | - |
| Â | MKTTn | 0/5 | 0/5 | 0/5 | 5/5d | 5/5d | - |