TABLE 3.
Recovery of fecal L. monocytogenes subtypes in environmental samples
| Subtype (lineage) | No. of farms with ribotype isolated from fecal sample | No. of farms where subtype was also recovered from:
|
||
|---|---|---|---|---|
| Soil | Feed | Water | ||
| DUP-1023A (II) | 2 | 1 | 0 | 0 |
| DUP-1023B (II) | 1 | 0 | 0 | 0 |
| DUP-1025A (I) | 2 | 1 | 0 | 0 |
| DUP-1030B (II) | 2 | 0 | 0 | 0 |
| DUP-1038B (I) | 7 | 1 | 0 | 1 |
| DUP-1039A (II) | 2 | 0 | 1 | 1 |
| DUP-1039C (II) | 12 | 4 | 2 | 5 |
| DUP-1039E (II) | 4 | 0 | 1 | 3 |
| DUP-1042A (I) | 1 | 0 | 0 | 0 |
| DUP-1042B (I) | 8 | 4 | 4 | 2 |
| DUP-1042C (I) | 3 | 1 | 0 | 1 |
| DUP-1044A (I) | 2 | 0 | 0 | 0 |
| DUP-1044B (I) | 1 | 0 | 0 | 0 |
| DUP-1045A (II) | 2 | 2 | 1 | 0 |
| DUP-1045B (II) | 3 | 0 | 0 | 1 |
| DUP-1045D (II) | 2 | 0 | 1 | 0 |
| DUP-1045E (II) | 1 | 1 | 1 | 1 |
| DUP-1051C (I) | 1 | 0 | 1 | 1 |
| DUP-1054A (II) | 2 | 0 | 0 | 0 |
| DUP-1062B (II) | 1 | 0 | 0 | 0 |
| DUP-1062C (II) | 1 | 0 | 0 | 0 |
| DUP-1062E (II) | 2 | 0 | 0 | 0 |
| DUP-1062F (II) | 1 | 0 | 0 | 0 |
| DUP-16635B (I) | 2 | 0 | 0 | 0 |
| 116-110-S2 (III) | 1 | 0 | 0 | 0 |
| 116-239-S2 (I) | 1 | 1 | 1 | 0 |
| 116-890-S3 (II) | 1 | 0 | 0 | 0 |
| 116-915-S2 (?)b | 1 | 0 | 0 | 0 |
| Total no. of positive-testing herds | 30a | 16 | 13 | 16 |
a
Total number of farms with L. monocytogenes-positive fecal samples.
b
?, lineage not known.