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.