Table 1.
Occurrence and distribution of Cryptosporidium species and C. parvum subtypes in fecal samples of diarrheic dairy calves from five farms in Lingwu county.
| Factor | No. samples | No. positive samples (%) | Species (no.) | C. parvum subtype (no.) | |
|---|---|---|---|---|---|
| Farm | |||||
| Farm 1 | 60 | 30 (50.0) | C. parvum (21), C. bovis (9) | IIdA20G1 (13), IIdA14G1 (1), IIdA15G1 (1), IIdA19G1 (1) | |
| Farm 2 | 64 | 8 (12.5) | C. parvum (7), C. bovis (1) | IIdA19G1 (3), IIdA20G1 (2), IIdA15G1 (1) | |
| Farm 3 | 59 | 13 (22.0) | C. parvum (13) | IIdA15G1 (10), IIdA13G1 (1) | |
| Farm 4 | 141 | 26 (18.4) | C. parvum (26) | IIdA15G1 (25) | |
| Farm 5 | 19 | 2 (10.5) | C. parvum (2) | IIdA15G1 (2) | |
| Age (days) | |||||
| 1–7 | 43 | 4 (9.3) | C. parvum (4) | IIdA15G1 (2), IIdA20G1 (1) | |
| 8–21 | 122 | 34 (27.9) | C. parvum (34) | IIdA15G1 (25), IIdA20G1 (7), IIdA19G1 (1) | |
| 22–63 | 69 | 27 (39.1) | C. parvum (22), C. bovis (5) | IIdA15G1 (12), IIdA19G1 (3), IIdA20G1 (3) | |
| 64–180 | 109 | 14 (12.8) | C. parvum (9), C. bovis (5) | IIdA20G1 (4), IIdA13G1 (1), IIdA14G1 (1) | |
| Season | |||||
| Spring | 223 | 42 (18.8) | C. parvum (40), C. bovis (2) | IIdA15G1 (32), IIdA19G1 (3), IIdA20G1 (2), IIdA14G1 (1) | |
| Summer | 120 | 37 (30.8) | C. parvum (29), C. bovis (8) | IIdA20G1 (13), IIdA15G1 (7), IIdA13G1 (1), IIdA19G1 (1) | |
| Total | 343 | 79 (23.0) | C. parvum (69), C. bovis (10) | IIdA15G1 (39), IIdA20G1 (15), IIdA19G1 (4), IIdA13G1 (1), IIdA14G1 (1) |