Table 3.
The results for plumage triscore, number of injured body regions, and head injuries in each experimental group (EG) throughout all weeks of life.
Response | EG | EE | P./m² | n | Mean | SD | Min. | Max. |
---|---|---|---|---|---|---|---|---|
1 | no | >20 | 30 | 10.40 | 1.12 | 8.44 | 11.98 | |
Plumage triscore | 2 | yes | <20 | 30 | 10.61 | 1.03 | 8.62 | 12.00 |
3 | yes | >20 | 30 | 10.55 | 1.05 | 8.74 | 12.00 | |
1 | no | >20 | 30 | 0.13 | 0.11 | 0.00 | 0.36 | |
Number of injured body regions | 2 | yes | <20 | 30 | 0.11 | 0.13 | 0.00 | 0.66 |
3 | yes | >20 | 30 | 0.11 | 0.11 | 0.00 | 0.44 | |
1 | no | >20 | 30 | 0.02 | 0.05 | 0.00 | 0.22 | |
Head injuries | 2 | yes | <20 | 30 | 0.02 | 0.03 | 0.00 | 0.10 |
3 | yes | >20 | 30 | 0.02 | 0.06 | 0.00 | 0.30 |
None of these differences were significant.
EE = environmental enrichment, P/m² = pullets per m², n = number of units included in the calculation, SD = standard deviation, Min. = smallest assessed value, Max. = largest assessed value.