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Table 1 Prevalence and species/subtype distributions of Cryptosporidium spp. in yaks
| Location | No. of yaks | No. positive (%) | Age | |||
|---|---|---|---|---|---|---|
| <1 year | >1 year | |||||
| No. positive/No. of yaks | Species (n)/subtype (n) | No. positive/No. of yaks | Species (n)/subtype (n) | |||
| Tianzhu | 117 | 7 (6.0, 4.1–7.9 CIa) | 5/40 | C. bovis (1), C. ryanae (2), C. parvum (2)/IIdA15G1 (2) | 2/77 | C. bovis (1), C. ubiquitum (1)/XIIa (1) |
| Dangxiong | 44 | 4 (9.1, 4.7–13.8 CI) | 4/44 | C. parvum (4)/IIdA19G1 (1) | ||
| Hongyuan | 84 | 1 (1.2, 0–2.9 CI) | 1/36 | C. parvum (1) | 0/48 | |
| Henan | 34 | 4 (11.8, 6.2–17.4 CI) | 3/21 | C. bovis (1), | 1/13 | C. bovis (1) |
| C. parvum (2)/IIdA15G1 (1) | ||||||
| Dari | 62 | 2 (3.2, 0.5– 5.9 CI) | 2/30 | C. bovis (1), | 0/32 | |
| C. parvum (2)/IIdA18G1 (1) | ||||||
| Haihu | 66 | 2 (3.0, 0.5–5.5 CI) | 1/34 | C. parvum (1) | 1/32 | C. parvum (1) |
| Maduo | 39 | 1 (2.6, 0–6.2 CI) | 1/20 | C. ryanae (1) | 0/19 | |
| Qilian | 47 | 1 (2.1, 0–5.1 CI) | 1/25 | C. bovis (1) | 0/22 | |
| Chengduo | 52 | 0 | 0/24 | 0/28 | ||
| Total | 545 | 22 (4.0, 3.5–4.5 CI) | 18/274 (6.6)b | C. bovis (4), C. ryanae (3), C. parvum (11)/IIdA15G1 (3), IIdA18G1 (1), IIdA19G1 (1) | 4/271 (1.5)c | C. bovis (2), C. parvum (1), C. ubiquitum (1)/XIIa (1) |
