TABLE 2.
Percentages of positive samples for each Campylobacter spp. according to the age of the youngest pat comprising the pooled samplea
| Minimum age score | No. of samples | % of samples testing positive for indicated species
|
||||
|---|---|---|---|---|---|---|
| C. jejuni | C. hyointestinalis | C. lari | C. coli | Other | ||
| 1 | 23 | 39 | 9 | 0 | 0 | 9 |
| 1.5 | 61 | 52 | 7 | 0 | 3 | 21 |
| 2 | 285 | 42 | 8 | 4 | 1 | 20 |
| 2.5 | 240 | 35 | 5 | 4 | 2 | 18 |
| 3 | 243 | 23 | 6 | 0 | 0 | 10 |
| 3.5 | 97 | 11 | 9 | 1 | 0 | 6 |
| 4 | 65 | 3 | 5 | 0 | 0 | 0 |
Age scores are as follows: 1, freshly voided with no signs of aging; 2, recently voided with some early signs of aging; 3, clear signs of aging but still retaining integrity; 4, aged. Samples were identified as being positive by standard culture methods, and isolates were confirmed by PCR.