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Percentage of animals shedding CTX-M E. coli at three different shedding levels
| Shedding level (CFU/g) | % (Fraction positive) of animals shedding CTX-M |
||
|---|---|---|---|
| Cattle | Chicken | Pigs | |
| Low (1–199) | 54.3 (19/35) | 21.9 (7/32) | 35.0 (7/20) |
| Mediuma (200–9,999) | 37.1 (13/35) | 31.3 (10/32) | 25.0 (5/20) |
| Highb (≥1 × 104) | 8.6 (3/35) | 46.9 (15/32) | 40.0 (8/20) |
Equivalent to a high-density shedder (3).
Equivalent to a supershedder (3).
