TABLE 2.
Detection and/or enumeration of STEC EC596 in calf fecal samples on Farm B for 10 days following inoculation of an index calf
| Calf no. | Log10 EC596/g of feces on day:
|
No. of days positive | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||
| 703 | 5.5 | 3.3 | 2.3 | +b | 3.4 | 2.9 | 3.2 | 4.1 | 3.6 | 3.6 | 10 |
| 704 | −a | − | − | + | 1.8 | − | 3.0 | + | 2.8 | 1.8 | 6 |
| 705 | − | 3.1 | 2.5 | 1.8 | − | − | − | − | + | − | 4 |
| 706 | − | 3.4 | − | − | 3.0 | 4.0 | + | − | 2.7 | 2.7 | 6 |
| 707 | 2.5 | 2.5 | − | − | − | − | − | + | 2.7 | − | 4 |
| 708 | 2.2 | + | 2.5 | − | − | − | 2.5 | 3.0 | 2.7 | − | 6 |
| 709 | + | 2.2 | − | − | − | − | − | + | 2.7 | + | 5 |
| 710 | − | 2.7 | 2.3 | − | − | + | 1.9 | − | + | + | 6 |
| No. of calves positive (% of total) | 4 (50) | 7 (88) | 4 (50) | 3 (38) | 3 (38) | 3 (38) | 5 (63) | 5 (63) | 8 (100) | 5 (63) | 47 (59) |
a
−, EC596 not isolated from sample.
b
+, inoculation strain was detected after enrichment only.