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

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

Age group	Sample size	*Cryptosporidium*		*G. duodenalis* assemblage
Age group	Sample size	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

*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.

ISSN: 1746-6148