Table 1 Simulation parameters of the population structure
Steps | Population structure | Values |
|---|---|---|
| Â | Number of replicates | 10 |
| Â | Overall heritability | 0.3 |
| Â | QTL heritability | 0.3 |
| Â | Phenotypic variance | 1.0 |
Step 1: Historical generations (HGs) | Foundation population size of (HGs) | 2000 |
Number of generations in phase 1 | 1000 | |
Population size in phase 1 | 2000 | |
Number of generations in phase 2 | 200 | |
Population size in the end of phase 2 | 400 | |
The number of males in the last (HG) | 200 | |
The number of females in the last (HG) | 200 | |
Number of males from HG | 40 | |
Number of females from HG | 200 | |
Step 2: Expanded generations (EGs) | Number of generations | 1 |
Litter size | 5 | |
The proportion of male progeny | 50% | |
Mating design | Random | |
Number of males from EG | 100 | |
Number of females from EG | 500 | |
Step 3: Recent generations | Number of generations | 10 |
Litter size | 5 | |
The Proportion of male progeny | 50% | |
Mating design | Random | |
Sire replacement | 80% | |
Dam replacement | 40% | |
| Â | Selection design | EBV |