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Table 2 Cryptosporidium species identified in dairy cattle in different age groups

From: Prevalence and molecular characterization of Cryptosporidium spp. and Giardia duodenalisin dairy cattle in Ningxia, northwestern China

Age group Sample size Cryptosporidium G. duodenalis assemblage
Prevalence Species (no.) Prevalence Assemblage (no.)
Preweaned* 186 10.22% C. parvum (15), C. bovis (4) 10.22% E (15), B1 (1), B2 (3)
3–11 months 396 0 0 2.53% E (10)
1–2 year 204 0 0 0 0
> 2 years 580 0.69% C. andersoni (4) 0 0
  1. *Among the positive samples from preweaned calves, one was a mixed infection of C. bovis and G. duodenalis subtype B2, one was a mixed infection of C. parvum and G. duodenalis subtype B1, and two were mixed infections of C. parvum and G. duodenalis subtype B2.