Table 2 Cryptosporidium spp. identified among different age groups of broiler chickens in Guangdong Province, China
Age group | No. samples | No. positive | % (95% CI) | Cryptosporidium species | ||
|---|---|---|---|---|---|---|
| Â | Â | No. of positive samples of C. baileyi (%) | No. of positive samples of C. meleagridis (%) | No. of positive samples of mixed infection (%) | ||
 < 30 days | 169 | 14 | 8.3 (6.7–9.9) | 1 (0.6) | 13 (7.7) | – |
31–60 days | 440 | 53 | 12.0 (11.2–12.8) | 14 (3.2) | 37 (8.4) | 2 (0.5) |
61–90 days | 348 | 62 | 17.8 (16.7–18.9) | 30 (8.6) | 28 (8.0) | 4 (1.1) |
 > 90 days | 44 | 3 | 6.8 (2.7–10.9) | 3 (6.8) | – | – |
Total | 1001 | 132 | 13.2 (11.1–15.4) | 48 (4.8) | 78 (7.8) | 6 (0.6) |