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Detection of Cryptosporidium parvum by conventional and modern techniques in different age groups of diarrhoeic bovine calf faeces (n = 100)
| Age group (days) | Number of animals | mZn stain positive (%) | ELISA positive (%) | PCR positive (%) |
|---|---|---|---|---|
| 1–7 | 9 | 3 (33·3) | 3 (33·3) | 3 (33·3) |
| 8–14 | 3 | 1 (33·3) | 2 (66·7) | 2 (66·6) |
| 15–21 | 30 | 9 (30·0) | 10 (30·0) | 10 (30·0) |
| 22–30 | 19 | 5 (26·3) | 7 (36·8) | 7 (36·8) |
| 31–60 | 39 | 7 (17·9) | 13 (30·8) | 13 (30·8) |
| Overall | 100 | 25 (25·0) | 35 (33·0) | 35 (33·0) |
| χ2 | 1·446 |
