Table 1.
Estimates of variance components, heritability with their sampling variance and confidence intervals for various traits.
| Variance | Trait - BW | Trait - BD | Trait – K | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | SE | L - 95% CI | U - 95% CI | Estimate | SE | L - 95% CI | U - 95% CI | Estimate | SE | L - 95% CI | U - 95% CI | |
| REML Animal Model | ||||||||||||
| Residual | 325.20 | 31.90 | 262.70 | 387.70 | 0.0831 | 0.0048 | 0.0737 | 0.0925 | 9.97E-07 | 4.67E-08 | 9.06E-07 | 1.09E-06 |
| Additive | 255.20 | 51.68 | 153.90 | 356.50 | 0.0228 | 0.0056 | 0.0118 | 0.0338 | 1.12E-07 | 3.73E-08 | 3.85E-08 | 1.85E-07 |
| Heritability | 0.44 | 0.07 | 0.30 | 0.58 | 0.22 | 0.05 | 0.12 | 0.32 | 0.10 | 0.03 | 0.04 | 0.16 |
| Animal Model Scheme – 1 (Non-Randomized NPBS with Independent u & e) | ||||||||||||
| Residual | 240.00 | 28.31 | 188.10 | 299.20 | 0.0535 | 0.0067 | 0.0404 | 0.0666 | 8.71E-07 | 5.556E-08 | 7.621E-07 | 9.799E-07 |
| Additive | 230.00 | 24.00 | 182.60 | 277.10 | 0.033 | 0.005 | 0.0232 | 0.0428 | 2.09E-07 | 4.048E-08 | 1.300E-07 | 2.887E-07 |
| Heritability | 0.51 | 0.05 | 0.41 | 0.61 | 0.38 | 0.05 | 0.28 | 0.49 | 0.19 | 0.04 | 0.12 | 0.26 |
| Animal Model Scheme – 2 (Non-Randomized NPBS with dependent u & e) | ||||||||||||
| Residual | 248.41 | 36.14 | 177.58 | 319.24 | 0.0722 | 0.0085 | 0.0555 | 0.0889 | 9.56E-07 | 6.044E-08 | 8.380E-07 | 1.074E-06 |
| Additive | 358.52 | 31.65 | 296.45 | 420.55 | 0.0332 | 0.0057 | 0.022 | 0.0444 | 2.10E-07 | 4.300E-08 | 1.261E-07 | 2.947E-07 |
| Heritability | 0.41 | 0.05 | 0.31 | 0.51 | 0.32 | 0.05 | 0.21 | 0.41 | 0.18 | 0.04 | 0.10 | 0.25 |
| Animal Model Scheme – 3 (Randomized NPBS with dependent u & e) | ||||||||||||
| Residual | 302.46 | 37.04 | 229.16 | 375.76 | 0.0748 | 0.0088 | 0.0576 | 0.0920 | 9.74E-07 | 7.024E-08 | 8.363E-07 | 1.111E-06 |
| Additive | 311.80 | 33.80 | 245.60 | 378.05 | 0.0313 | 0.0059 | 0.0197 | 0.0429 | 2.01E-07 | 4.734E-08 | 1.086E-07 | 2.942E-07 |
| Heritability | 0.49 | 0.05 | 0.39 | 0.59 | 0.29 | 0.05 | 0.19 | 0.39 | 0.17 | 0.04 | 0.09 | 0.25 |
| REML Family Model | ||||||||||||
| Residual | 452.75 | 17.58 | 418.29 | 487.21 | 0.0946 | 0.0037 | 0.0874 | 0.1018 | 1.05E-06 | 4.10E-08 | 9.74E-07 | 1.13E-06 |
| Family | 128.24 | 25.92 | 77.44 | 179.04 | 0.0116 | 0.0028 | 0.0061 | 0.0172 | 5.72E-08 | 1.91E-08 | 1.98E-08 | 9.47E-08 |
| Additive | 256.48 | 51.84 | 154.87 | 358.08 | 0.0233 | 0.0057 | 0.0121 | 0.0344 | 1.14E-07 | 3.82E-08 | 3.96E-08 | 1.89E-07 |
| Heritability | 0.44 | 0.07 | 0.30 | 0.58 | 0.22 | 0.04 | 0.12 | 0.31 | 0.10 | 0.03 | 0.04 | 0.16 |
| Family Model Scheme – 1 (Randomized NPBS with Independent u & e) | ||||||||||||
| Residual | 103.60 | 16.40 | 71.50 | 135.70 | 0.0263 | 0.0073 | 0.0120 | 0.0406 | 1.07E-06 | 6.249E-08 | 9.523E-07 | 1.197E-06 |
| Family | 207.10 | 32.70 | 143.01 | 271.19 | 0.0016 | 0.0014 | −0.0011 | 0.0043 | 5.39E-08 | 1.945E-08 | 1.576E-08 | 9.204E-08 |
| Additive | 498.97 | 26.40 | 447.23 | 550.71 | 0.0032 | 0.0027 | −0.0021 | 0.0085 | 1.08E-07 | 3.891E-08 | 3.153E-08 | 1.840E-07 |
| Heritability | 0.34 | 0.05 | 0.24 | 0.44 | 0.11 | 0.07 | −0.02 | 0.24 | 0.09 | 0.03 | 0.03 | 0.16 |
| Family Model Scheme – 2 (Randomized NPBS with dependent u & e) | ||||||||||||
| Residual | 133.60 | 17.90 | 98.52 | 168.68 | 0.0941 | 0.008 | 0.0784 | 0.1098 | 1.06E-06 | 5.432E-08 | 9.544E-07 | 1.167E-06 |
| Family | 267.20 | 35.70 | 197.23 | 337.17 | 0.0166 | 0.0028 | 0.0111 | 0.0221 | 1.07E-07 | 2.187E-08 | 6.407E-08 | 1.498E-07 |
| Additive | 524.40 | 23.04 | 479.24 | 569.56 | 0.0332 | 0.0056 | 0.0222 | 0.0442 | 2.14E-07 | 4.374E-08 | 1.281E-07 | 2.996E-07 |
| Heritability | 0.41 | 0.05 | 0.31 | 0.51 | 0.30 | 0.05 | 0.20 | 0.39 | 0.18 | 0.04 | 0.10 | 0.25 |
| Family Model Scheme – 3 (Randomized NPBS with dependent u & e) | ||||||||||||
| Residual | 145.40 | 16.70 | 112.67 | 178.13 | 0.0954 | 0.0083 | 0.0791 | 0.1117 | 1.07E-06 | 6.394E-08 | 9.495E-07 | 1.200E-06 |
| Family | 290.80 | 33.50 | 225.14 | 356.46 | 0.0149 | 0.0028 | 0.0094 | 0.0204 | 1.00E-07 | 2.313E-08 | 5.464E-08 | 1.453E-07 |
| Additive | 499.10 | 27.50 | 445.20 | 553.00 | 0.0298 | 0.0057 | 0.0186 | 0.0410 | 2.00E-07 | 4.627E-08 | 1.092E-07 | 2.906E-07 |
| Heritability | 0.45 | 0.05 | 0.35 | 0.55 | 0.27 | 0.05 | 0.18 | 0.37 | 0.17 | 0.04 | 0.09 | 0.25 |
| Parametric Bootstrap | ||||||||||||
| Residual | 325.20 | 31.90 | 259.70 | 384.50 | 0.0948 | 0.0055 | 0.0841 | 0.1055 | 9.95E-07 | 4.746E-08 | 9.018E-07 | 1.087E-06 |
| Additive | 255.60 | 51.50 | 162.60 | 363.60 | 0.0231 | 0.0060 | 0.0113 | 0.0349 | 1.13E-07 | 4.064E-08 | 3.297E-08 | 1.923E-07 |
| Heritability | 0.44 | 0.07 | 0.30 | 0.58 | 0.20 | 0.05 | 0.10 | 0.29 | 0.10 | 0.04 | 0.03 | 0.17 |
| Bayesian MCMC | ||||||||||||
| Additive |
279.40 (Mean) 273.00 (Median) 268.30 (Mode) |
60.30 | 174.50 | 400.30 |
0.0257 (Mean) 0.0249 (Median) 0.0233 (Mode) |
0.0068 | 0.0125 | 0.0389 |
0.00124 (Mean) 0.00120 (Median) 0.00114 (Mode) |
0.00037 | 0.00057 | 0.00199 |
| Residual |
395.40 (Mean) 397.40 (Median) 404.80 (Mode) |
37.40 | 321.20 | 467.00 |
0.1070 (Mean) 0.1069 (Median) 0.1068 (Mode) |
0.0059 | 0.0953 | 0.1187 |
0.00992 (Mean) 0.00992 (Median) 0.00972 (Mode) |
0.00045 | 0.00905 | 0.01082 |
| Heritability |
0.41 (Mean) 0.41 (Median) 0.43 (Mode) |
0.07 | 0.28 | 0.55 |
0.19 (Mean) 0.19 (Median) 0.17 (Mode) |
0.05 | 0.10 | 0.28 |
0.11 (Mean) 0.11 (Median) 0.10 (Mode) |
0.03 | 0.05 | 0.17 |
| Asymptotic Sampling | ||||||||||||
| Additive | 257.60 | 51.20 | 164.60 | 365.10 | 0.0235 | 0.0058 | 0.0121 | 0.035 | 9.99E-07 | 4.628E-08 | 9.116E-07 | 1.092E-06 |
| Residual | 325.70 | 31.60 | 266.30 | 389.00 | 0.0832 | 0.0048 | 0.0739 | 0.0925 | 1.18E-07 | 4.018E-08 | 5.759E-08 | 2.136E-07 |
| Heritability | 0.44 | 0.07 | 0.30 | 0.58 | 0.22 | 0.05 | 0.12 | 0.31 | 0.10 | 0.03 | 0.05 | 0.18 |