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Table 1 Prevalence and species/subtype distributions of Cryptosporidium spp. in yaks

From: Molecular characterization of Cryptosporidium spp. and Giardia duodenalis from yaks in the central western region of China

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)
  1. a CI: 95 % confidence intervals
  2. b and c have significant difference