Table 3.
System Attributes | Production System Attributional WQ Scores | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
NFS 1 | NCS 1 | HCS 1 | Total | |||||||||
Mean | SD | % | Mean | SD | % | Mean | SD | % | Mean | SD | % | |
A1. Broiler type | 217.59 a | 10.74 | 28 | 225.62 a | 11.39 | 32.6 | 219.15 a | 10.98 | 32.7 | 220.92 | 11.36 | 32.4 |
A2. Length growth | 33.46 a | 3.23 | 4.3 | 33.28 a | 3.69 | 4.8 | 30.20 b | 2.67 | 4.5 | 31.52 | 3.4 | 4.6 |
A3. Weight at delivery | 15.24 a | 3.23 | 2 | 15.07 a | 3.69 | 2.2 | 11.06 b | 2.67 | 1.7 | 12.77 | 3.63 | 1.9 |
A4. Enrichment | 9.11 | 0 | 1.2 | 9.11 | 0 | 1.3 | 9.57 | 0 | 1.4 | 9.37 | 0.23 | 1.4 |
A5. %Grain in feed | 25.02 a | 0 | 3.2 | 24.74 a | 0.8 | 3.6 | 24.77 a | 0.6 | 3.7 | 24.79 | 0.63 | 3.7 |
A6. Stocking density | 164.94 a | 20.28 | 21.2 | 112.65 b | 11.05 | 16.3 | 105.43 b | 10.12 | 15.7 | 114.82 | 22.37 | 16.9 |
A7. Outdoor access | 107.90 a | 5.06 | 13.9 | 116.49 b | 5.85 | 16.9 | 117.31 b | 4.73 | 17.5 | 115.92 | 5.88 | 17 |
A8. Daylight | 9.11 | 0 | 1.2 | 9.11 | 0 | 1.3 | 9.57 | 0 | 1.4 | 9.38 | 0.23 | 1.4 |
A9. Length of dark period | 164.75 a | 6.02 | 21.2 | 136.82 b | 6.48 | 19.8 | 134.55 b | 5.92 | 20.1 | 138.9 | 11.44 | 20.4 |
A10. Flock size | 31.14 a | 1.1 | 4 | 8.21 b | 0 | 1.2 | 8.21 b | 0 | 1.2 | 10.99 | 7.54 | 1.6 |
Total WQ index score | 778.24 a | 29.45 | 100 | 691.09 b | 32.97 | 100 | 669.82 c | 27.79 | 1 | 681.4 | 45.25 | 100 |
a–c One-way test: values with different superscripts indicate significant differences between systems. (p < 0.05). 1 NFS = normal floor system, NCS = normal cage system, and HCS = high standard cage system.