| Dietary SPL levels (ppm) | Polynomial contrastb | ||||||
---|---|---|---|---|---|---|---|---|
0 | 5 | 10 | 15 | SEMa | L | Q | C | |
Body weight, kg | ||||||||
 Week 0 | 6.56 | 6.58 | 6.60 | 6.57 | 0.24 | 0.990 | 0.978 | 0.970 |
 Week 2 | 10.16 | 10.15 | 10.19 | 10.08 | 0.25 | 0.918 | 0.924 | 0.908 |
 Week 4 | 16.34 | 16.49 | 16.51 | 16.27 | 0.26 | 0.926 | 0.718 | 0.945 |
 Week 6 | 24.97 | 25.43 | 25.26 | 24.82 | 0.28 | 0.825 | 0.465 | 0.901 |
Overall | ||||||||
 ADG, g | 438.26 | 448.91 | 444.21 | 434.39 | 2.55 | 0.446 | 0.048 | 0.621 |
 ADFI, g | 598.14 | 602.64 | 589.87 | 591.21 | 4.36 | 0.410 | 0.881 | 0.430 |
 FE | 0.733 | 0.746 | 0.754 | 0.736 | 0.006 | 0.777 | 0.219 | 0.684 |