Table 4. Fecal Escherichia coli O157:H7 samples that were collected from experimentally inoculated positive steers and were considered super-shedders (concentration of ≥104 total environmental shedding loads).
Type of shedder | Strain ID | Dose of inoculum | ||||
---|---|---|---|---|---|---|
102 | 104 | 106 | 108 | 1010 | ||
Normal | A9 | 0 | 0 | 1 | 6 | 23 |
W1 | 0 | 0 | 2 | 6 | 25 | |
8055 | 1 | 0 | 2 | 1 | 7 | |
Super | 14A | 0 | 2 | 0 | 27 | 14 |
Tx3800 | 11 | 0 | 7 | 5 | 6 | |
Tx1686 | 1 | 2 | 27 | 3 | 7 |