Table 2.
The number of Cryptosporidium-negative/positive fecal specimens stratified by the treatment Groups and sampling Days. On the same Day, similar superscripts indicate comparisons between proportions resulting in two-tailed Fisher's exact test P < 0.01 (less than Bonferroni-adjusted critical probability).
| All calves |
Friesian calves |
|||||
|---|---|---|---|---|---|---|
| Sampling day | Group 1 (full dose) | Group 2 (half dose) | Group 3 (placebo-control) | Group 1 (full dose) | Group 2 (half dose) | Group 3 (placebo-control) |
| Day 6 | 13/0 | 13/2 | 12/2 | 7/0 | 6/2 | 10/2 |
| Day 8 | 9/3* | 10/5+ | 1/13*+ | 5/2 | 4/4* | 0/12* |
| Day 10 | 7/5* | 4/11 | 1/11* | 4/3 | 2/6 | 3/9 |
| Day 14 | 1/11 | 2/12 | 1/11 | 2/5 | 1/7 | 3/9 |
| Day 20 | 5/7* | 12/2* | 10/2 | 5/2 | 6/2 | 10/2 |