Table 3 The estimates of variance components (mean (SD) over 50 replicates) in the scenario S12L2 × 3 (group size = 12, individuals from four sublitters per pen) for trait 1 using univariate model based on group or individual records with different proportion of individuals having genotypes.
Record | Genotype proportion | Analysis | Pen variance (\(\sigma _{c_1}^2\)) | Litter variance (\(\sigma _{l1}^2\)) | Additive genetic variance (\(\sigma _{a1}^2\)) | Residual variance (\(\sigma _{e1}^2\)) |
|---|---|---|---|---|---|---|
Simulated | 10 | 10 | 30 | 50 | ||
Group | 100% | GBLUP | 9.61 (4.37) | 10.91 (6.64) | 30.15 (5.28) | 49.46 (37.63) |
30% | ssGBLUP | 9.35 (4.45) | 11.04 (6.60) | 31.59 (7.00) | 50.67 (37.34) | |
0% | PBLUP | 9.39 (4.55) | 11.20 (6.77) | 30.67 (7.90) | 51.56 (39.88) | |
Individual | 100% | GBLUP | 9.98 (0.75) | 9.96 (0.85) | 30.11 (1.69) | 50.15 (0.78) |
30% | ssGBLUP | 9.96 (0.74) | 9.46 (0.95) | 33.41 (2.35) | 48.57 (1.32) | |
0% | PBLUP | 9.85 (0.83) | 9.94 (0.94) | 30.85 (2.65) | 50.03 (1.58) |