Table 4.
Numeric and percental numbers of clinical assessed foot pad alterations per age group (Day 3 to 5 and Day 22 to 35) and gender (n = 5,531 poults; male: 3,131; female: 2,400).
| age (d) | total number | no abnormality detected (category 0) | Hyperkeratosis (category 1) | hyperkeratosis with adhesive dirt (category 2) | epithelial necrosis (category 3)* | ||||
|---|---|---|---|---|---|---|---|---|---|
| right | left | right | left | right | left | right | left | ||
| 3‑5 | n | 2014 | 2008 | 490 | 480 | 264 | 278 | 3 | 5 |
| % | 72.7 | 72.5 | 17.7 | 17.3 | 9.5 | 10.0 | 0.1 | 0.2 | |
| 22‑35 | n | 1014 | 986 | 480 | 466 | 927 | 984 | 339 | 324 |
| % | 36.7 | 35.7 | 17.4 | 16.9 | 33.6 | 35.7 | 12.3 | 11.7 | |
* Including deep lesions, solely five female individuals within the same farm and rearing period.