Table 5.
The results for bodyweight, difference to the target weight, and uniformity in the 3 experimental groups (EG) in each assessed week of life (wk).
| Response | EG | wk | EE | P./m² | n | Mean | SD | Min. | Max. |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | no | >20 | 6 | 181 | 11 | 168 | 193 | |
| 2 | 3 | yes | <20 | 6 | 178 | 11 | 164 | 191 | |
| 3 | 3 | yes | >20 | 6 | 178 | 11 | 164 | 192 | |
| 1 | 5 | no | >20 | 6 | 337 | 9 | 330 | 350 | |
| 2 | 5 | yes | <20 | 6 | 336 | 9 | 324 | 346 | |
| 3 | 5 | yes | >20 | 6 | 337 | 6 | 331 | 348 | |
| 1 | 8 | no | >20 | 6 | 678 | 11 | 658 | 690 | |
| Bodyweight (g) | |||||||||
| 2 | 8 | yes | <20 | 6 | 671 | 10 | 656 | 685 | |
| 3 | 8 | yes | >20 | 6 | 681 | 16 | 664 | 711 | |
| 1 | 12, 13 | no | >20 | 6 | 1124 | 60 | 1058 | 1190 | |
| 2 | 12, 13 | yes | <20 | 6 | 1112 | 46 | 1053 | 1154 | |
| 3 | 12,13 | yes | >20 | 6 | 1116 | 57 | 1056 | 1197 | |
| 1 | 17 | no | >20 | 6 | 1432 | 23 | 1414 | 1470 | |
| 2 | 17 | yes | <20 | 6 | 1450 | 21 | 1420 | 1477 | |
| 3 | 17 | yes | >20 | 6 | 1441 | 28 | 1415 | 1487 | |
| 1 | 3 | no | >20 | 6 | −7.5 | 4.7 | −13.1 | −2.1 | |
| 2 | 3 | yes | <20 | 6 | −9.0 | 4.6 | −14.8 | −3.2 | |
| 3 | 3 | yes | >20 | 6 | −8.9 | 4.5 | −14.9 | −2.5 | |
| 1 | 5 | no | >20 | 6 | −7.6 | 2.1 | −9.9 | −4.7 | |
| 2 | 5 | yes | <20 | 6 | −8.0 | 2.1 | −10.7 | −5.8 | |
| 3 | 5 | yes | >20 | 6 | −7.7 | 1.4 | −8.9 | −5.3 | |
| Difference to the target weight (%) | 1 | 8 | no | >20 | 6 | −2.5 | 1.7 | −5.6 | −0.4 |
| 2 | 8 | yes | <20 | 6 | −3.5 | 1.6 | −5.9 | −1.2 | |
| 3 | 8 | yes | >20 | 6 | −2.0 | 2.3 | −4.7 | 2.0 | |
| 1 | 12, 13 | no | >20 | 6 | 4.0 | 2.1 | 1.4 | 6.6 | |
| 2 | 12, 13 | yes | <20 | 6 | 2.9 | 1.0 | 1.0 | 3.6 | |
| 3 | 12,13 | yes | >20 | 6 | 3.3 | 2.3 | 1.1 | 7.1 | |
| 1 | 17 | no | >20 | 6 | 2.3 | 2.2 | 0.3 | 5.6 | |
| 2 | 17 | yes | <20 | 6 | 3.6 | 1.3 | 2.1 | 5.2 | |
| 3 | 17 | yes | >20 | 6 | 2.9 | 2.1 | 1.1 | 6.8 | |
| 1 | 3 | no | >20 | 6 | 77.7 | 9.4 | 68.0 | 88.0 | |
| 2 | 3 | yes | <20 | 6 | 72.3 | 7.5 | 60.0 | 82.0 | |
| 3 | 3 | yes | >20 | 6 | 77.3 | 6.5 | 68.0 | 86.0 | |
| 1 | 5 | no | >20 | 6 | 78.7 | 7.3 | 68.0 | 88.0 | |
| 2 | 5 | yes | <20 | 6 | 73.7 | 5.7 | 66.0 | 82.0 | |
| 3 | 5 | yes | >20 | 6 | 76.0 | 6.1 | 66.0 | 82.0 | |
| Uniformity (%) | 1 | 8 | no | >20 | 6 | 76.3 | 6.9 | 68.0 | 84.0 |
| 2 | 8 | yes | <20 | 6 | 72.0 | 6.7 | 62.0 | 78.0 | |
| 3 | 8 | yes | >20 | 6 | 69.3 | 9.8 | 54.0 | 84.0 | |
| 1 | 12, 13 | no | >20 | 6 | 77.0 | 6.0 | 70.0 | 86.0 | |
| 2 | 12, 13 | yes | <20 | 6 | 83.3 | 4.7 | 78.0 | 88.0 | |
| 3 | 12,13 | yes | >20 | 6 | 80.3 | 9.5 | 68.0 | 96.0 | |
| 1 | 17 | no | >20 | 6 | 84.3 | 5.3 | 80.0 | 94.0 | |
| 2 | 17 | yes | <20 | 6 | 81.7 | 8.7 | 66.0 | 92.0 | |
| 3 | 17 | yes | >20 | 6 | 84.3 | 6.1 | 78.0 | 94.0 |
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.