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Table 3

Prevalence and species/genotype distribution of Cryptosporidium in chickens worldwide.

Country No. positive/No. examined (%) Species/genotypes of Cryptosporidium (n) References
Algeria 31/90 (34.0) C. meleagridis (26); C. baileyi (5) [16]
23/150 (15.3) C. baileyi (12); C. meleagridis (11) [17]
Bangladesh 31/197 (15.7) C. baileyi (17); C. meleagridis (12); C. parvum (2). [18]
Brazil 24/190 (12.6) C. baileyi (18); C. meleagridis (1); C. parvum (4); Cryptosporidium sp. (1) [19]
20/130 (15.4) C. meleagridis (15); C. baileyi (4); Mix (1) [20]
91/351 (25.6)a C. meleagridis (57); C. baileyi (15); C. parvum (3); C. genotype BrPR1 (3) [21]
China 5/206 (2.4) C. baileyi (5) [10]
179/2015 (8.9) C. meleagridis (3); C. baileyi (176) [11]
38/385 (9.9) C. baileyi (33); C. meleagridis (2); Avian genotype II (3) [12]
11/829 (1.3) C. baileyi (5); C. meleagridis (2); C. galli (2); C. xiaoi-like genotype (2) [13]
48/471 (10.2) C. meleagridis (15); C. baileyi (33) [14]
132/1001 (13.2) C. meleagridis (78); C. baileyi (48) [22]
Côte d’Ivoire 5/31 (16.1) C. meleagridis (4); C. parvum (1) [23]
Germany 18/256 (7.0) C. parvum (13); C. baileyi (2); C. avian genotypes VII, VIII, IX (one each) [24]
Iran 7/1000 (0.7) C. baileyi (7) [25]
8/100 (8.0) C. baileyi (6); C. parvum (2) [26]
Jordan 1/21 (4.8) C. baileyi (1) [27]
Kenya 25 (7.8)a C. andersoni (2); C. meleagridis (4); C. parvum (3); C. ubiquitum (1) [28]
Sweden 12/16 (75.0)a C. meleagridis (6); C. baileyi (1); C. galli (3) [9]
Syria 11/111 (9.9) C. baileyi (9); Unknown genotype (2)b [30]
Tunisia 9/200 (4.5)a C. meleagridis (1) [31]
a

The numbers of species are not consistent with the numbers of positives in some countries because not all isolates were genotyped successfully for Brazil, Kenya, Sweden and Tunisia.

b

Two samples showed unknown profiles in comparison to species.

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