Table 1 Means (±SD) and significance for production, feed efficiency and body composition traits, for the effect of the diet, the line and their interaction
|  | {R+,CT}a | {R+,LE}a | {R-,CT}a | {R-,LE}a | Dietb | Lineb | Diet × Lineb |
|---|---|---|---|---|---|---|---|
Body weight, week 31 (g) | 2162.35 (±165.33) | 2142.46 (±129.28) | 2089.44 (±216.87) | 1925.40 (±217.32) | * | ** | 0.11 |
Laying intensity (%) | 86.17 (±11.92) | 87.73 (±7.81) | 86.87 (±5.44) | 84.59 (±8.58) | 0.70 | 0.50 | 0.54 |
Egg number | 60.94 (±9.33) | 62.18 (±9.93) | 61.17 (±6.16) | 60.47 (±7.43) | 0.93 | 0.86 | 0.60 |
Egg weight (g) | 47.91 (±3.11) | 46.80 (±2.98) | 48.08 (±2.25) | 47.61 (±1.82) | 0.21 | 0.53 | 0.60 |
Egg mass (g)c | 1166.41 (±181.31) | 1182.36 (±210.53) | 1118.36 (±108.85) | 1055.80 (±126.99) | 0.43 | * | 0.27 |
Static stiffness (N.mm−1) | 109.68 (±18.75) | 104.64 (±15.58) | 126.75 (±18.39) | 118.95 (±18.76) | 0.12 | *** | 0.75 |
Feed intake (g)c | 4128.47 (±426.94) | 4398.10 (±551.14) | 2583.92 (±308.26) | 2728.73 (±419.65) | * | *** | 0.50 |
Energy intake (kcal)c | 11,188.16 (±1157.00) | 10,207.97 (±1279.19) | 7002.41 (±835.38) | 6333.39 (±974.01) | ** | *** | 0.52 |
RFI (g/21d−1)c | 868.36 (±329.66) | 1152.32 (±390.52) | − 614.35 (±134.93) | − 196.81 (±211.78) | *** | *** | 0.28 |
Abdominal adipose weight at 31 weeks (g) | 73.33 (±21.10) | 57.10 (±18.61) | 129.83 (±44.23) | 105.00 (±31.67) | * | *** | 0.64 |
Ratio of abdominal adipose weight to body weight at 31 weeks (%) | 3.37 (±0.83) | 2.65 (±0.78) | 5.96 (±1.39) | 5.24 (±1.09) | * | *** | 1 |