Table 1.
Summary statistics of the phenotypes available for 16 traitsa in each generation (G)
| Gen | eCO | eEW | eC3 | eE3 | eSM | eAH | eYW | ePD | ePS | lCO | lEW | lBW | lAH | lYW | lPD | lPS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| G1 | N | 436 | 436 | 410 | 410 | 440 | 436 | 0 | 440 | 436 | 414 | 414 | 440 | 414 | 0 | 414 | 411 |
| Mean | 70.9 | 56.3 | 69.0 | 45.4 | 153.6 | 7.3 | 0 | 81.1 | 1604.9 | 59.4 | 62.1 | 2.1 | 5.6 | 0 | 67.5 | 1383.5 | |
| SD | 9.1 | 4.5 | 9.1 | 4.7 | 11.1 | 0.8 | 0 | 12.9 | 49.4 | 10.1 | 4.9 | 0.3 | 0.9 | 0 | 14.3 | 30.6 | |
| G2 | N | 1669 | 1669 | 1667 | 1667 | 1669 | 1667 | 1657 | 1669 | 1668 | 588 | 588 | 588 | 586 | 582 | 588 | 588 |
| Mean | 69.6 | 55.2 | 70.6 | 44.3 | 151.9 | 7.1 | 14.9 | 81.6 | 1509.0 | 66.4 | 60.5 | 2.0 | 6.5 | 17.9 | 77.7 | 1601 | |
| SD | 8.5 | 4.8 | 8.6 | 4.7 | 8.5 | 0.9 | 1.7 | 12.4 | 93.2 | 8.5 | 4.7 | 0.3 | 0.9 | 1.5 | 14.5 | 59.2 | |
| G3 | N | 2738 | 2737 | 2729 | 2729 | 2738 | 2737 | 2728 | 2738 | 2738 | 649 | 649 | 647 | 649 | 646 | 635 | 649 |
| Mean | 73.3 | 56.8 | 74.6 | 43.6 | 149.3 | 7.1 | 15.2 | 80.9 | 1425.0 | 72.4 | 61.5 | 2.0 | 6.6 | 17.8 | 77.3 | 1435.4 | |
| SD | 7.7 | 4.6 | 7.9 | 4.5 | 7.4 | 1.0 | 1.1 | 11.3 | 38.4 | 7.6 | 4.6 | 0.3 | 0.9 | 1.2 | 12.1 | 25.0 | |
| G4 | N | 2771 | 2772 | 2753 | 2752 | 2772 | 2771 | 2736 | 2772 | 2770 | 794 | 794 | 793 | 794 | 793 | 784 | 794 |
| Mean | 71.4 | 57.5 | 74.4 | 46.7 | 156.3 | 7.5 | 15.1 | 82.4 | 1388.3 | 66.9 | 62.2 | 2.0 | 7.2 | 17.8 | 80.6 | 1399.8 | |
| SD | 8.2 | 4.8 | 7.7 | 5.1 | 9.9 | 1.0 | 1.1 | 11.3 | 39.9 | 9.3 | 4.5 | 0.2 | 0.9 | 1.3 | 12.1 | 40.6 | |
| G5 | N | 2964 | 2964 | 2952 | 2951 | 2964 | 2963 | 2958 | 2965 | 2964 | 782 | 782 | 781 | 782 | 781 | 778 | 782 |
| Mean | 76.1 | 58.0 | 75.4 | 47.3 | 159.8 | 7.4 | 15.3 | 84.9 | 1494.9 | 72.9 | 63.5 | 2.0 | 7.2 | 18.1 | 82.4 | 1508.6 | |
| SD | 7.5 | 4.9 | 7.9 | 4.6 | 6.2 | 1.0 | 1.2 | 9.8 | 42.5 | 7.9 | 4.7 | 0.3 | 0.9 | 1.4 | 11 | 36.4 | |
| G6 | N | 2117 | 2117 | 2103 | 2103 | 2117 | 2116 | 2115 | 2117 | 2115 | 769 | 768 | 759 | 769 | 768 | 755 | 769 |
| Mean | 77.2 | 57.2 | 78.1 | 45.2 | 147.6 | 7.4 | 15.1 | 83.3 | 1459.9 | 70.9 | 62.7 | 1.8 | 6.9 | 18.1 | 80.0 | 1496.1 | |
| SD | 7.7 | 4.9 | 7.9 | 4.7 | 7.8 | 1.0 | 1.2 | 10.3 | 42.8 | 8.6 | 4.8 | 0.3 | 0.9 | 1.4 | 11.0 | 36.6 | |
| G7 | N | 290 | 290 | 278 | 278 | 290 | 290 | 290 | 290 | 289 | 280 | 280 | 277 | 280 | 275 | 274 | 280 |
| Mean | 78.1 | 59.2 | 80.2 | 45.0 | 148.9 | 7.7 | 15.4 | 83.1 | 1492.6 | 71.6 | 63.3 | 1.8 | 7.5 | 17.9 | 77.4 | 1487.8 | |
| SD | 7.3 | 4.8 | 7.6 | 4.5 | 7.8 | 1.1 | 1.1 | 9.2 | 41.7 | 8.6 | 4.9 | 0.3 | 0.9 | 1.4 | 11.7 | 35.0 | |
| G8 | N | 251 | 252 | 275 | 275 | 272 | 252 | 250 | 263 | 249 | 270 | 270 | 271 | 270 | 263 | 262 | 268 |
| Mean | 80.5 | 56.8 | 79.8 | 44.2 | 142.0 | 7.9 | 15.2 | 80.8 | 1451.6 | 71.7 | 61.2 | 1.8 | 7.4 | 17.8 | 76.9 | 1423.9 | |
| SD | 7.5 | 4.9 | 7.5 | 4.6 | 5.6 | 1.1 | 1.35 | 8.0 | 39.8 | 8.1 | 4.9 | 0.3 | 1.1 | 1.5 | 11.0 | 35.9 | |
| G9 | N | 300 | 300 | 299 | 299 | 302 | 300 | 296 | 302 | 300 | 292 | 292 | 294 | 292 | 285 | 291 | 292 |
| Mean | 79.2 | 59.1 | 82.5 | 44.1 | 141.9 | 8.4 | 15.9 | 83.2 | 1498.6 | 78.8 | 61.8 | 2.0 | 8.1 | 17.4 | 78.8 | 1519.2 | |
| SD | 7.7 | 4.5 | 7.7 | 4.7 | 7.6 | 1.0 | 1.18 | 10.1 | 37.6 | 8.3 | 5.1 | 0.2 | 1.1 | 1.5 | 10.1 | 39.1 | |
| G10 | N | 724 | 724 | 828 | 828 | 850 | 723 | 708 | 850 | 723 | 835 | 829 | 850 | 835 | 828 | 826 | 832 |
| Mean | 83.3 | 58.6 | 79.3 | 46.2 | 146.5 | 8.0 | 14.9 | 87.9 | 1474.9 | 75.8 | 62.8 | 2.0 | 8 | 17.5 | 80.0 | 1471.6 | |
| SD | 8.0 | 4.4 | 7.8 | 5.0 | 7.9 | 1.1 | 1.19 | 9.4 | 45.9 | 7.8 | 4.5 | 0.2 | 1.1 | 1.3 | 11.7 | 49.4 | |
| G11 | N | 899 | 899 | 891 | 891 | 899 | 899 | 898 | 899 | 896 | 856 | 856 | 867 | 856 | 850 | 899 | 855 |
| Mean | 83.3 | 56.4 | 82.7 | 44.7 | 139.2 | 8.6 | 14.3 | 81.7 | 1514.1 | 77.8 | 61.0 | 2.0 | 7.7 | 17.3 | 77.6 | 1403.2 | |
| SD | 8.2 | 4.5 | 7.2 | 4.7 | 7.8 | 0.9 | 1.1 | 10.0 | 19.2 | 8.9 | 4.5 | 0.2 | 0.9 | 1.3 | 9.5 | 27.3 |
aEarly (e) and late (l) CO (egg color, index units), EW (average weight of 3 to 5 eggs, g), C3 (color of first 3 eggs, index units), E3 (weight of first 3 eggs, g), AH (albumen height, mm), PD (egg production rate), PS (puncture score, g/s), and YW (yolk weight, g); eSM (age at sexual maturity, d); lBW (body weight, kg)