From: Analysis of different genotyping and selection strategies in laying hen breeding programs
Scenario | Selection method | Genotyped individuals (number genotyped of each generation) | Accuracy of selection3 | |||
---|---|---|---|---|---|---|
Males | Females | Males | Females | Males | Females | |
Long generation interval | ||||||
1 | Pedigree | Phenotypic | – | – | 0.55 (0.021) | 0.64 (0.009)* |
2 | Pedigree | Pedigree | – | – | 0.55 (0.019) | 0.67 (0.013) |
3 | ssGBLUP | Phenotypic | Candidates (800) | – | 0.65 (0.019) | 0.64 (0.007)* |
4 | ssGBLUP | Phenotypic | Candidates (800) | Selected (600) | 0.72 (0.014) | 0.64 (0.008)* |
5 | ssGBLUP | ssGBLUP | Candidates (800) | Selected (600) | 0.76 (0.015) | 0.67 (0.014) |
6 | ssGBLUP | Phenotypic | Candidates (800) | Random (600) | 0.72 (0.011) | 0.64 (0.006)* |
7 | GBLUP | Phenotypic | Candidates (800) | Candidates (5500) | 0.83 (0.008) | 0.64 (0.007)* |
8 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | 0.83 (0.010) | 0.84 (0.007) |
92 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | 0.84 (0.007) | 0.84 (0.006) |
Halved generation interval only for males (two time-shifted subpopulation) | ||||||
10 | ssGBLUP | Phenotypic | Candidates (2 × 400) | Selected (2 × 300) | 0.63 (0.021) | 0.63 (0.009)* |
11 | ssGBLUP | ssGBLUP | Candidates (2 × 400) | Selected (2 × 300) | 0.69 (0.022) | 0.67 (0.015) |
12 | GBLUP | GBLUP | Candidates (2 × 400) | Candidates (2 × 2750) | 0.79 (0.012) | 0.84 (0.010) |
132 | GBLUP | GBLUP | Candidates (2 × 400) | Candidates (2 × 2750) | 0.80 (0.014) | 0.84 (0.010) |
Short generation interval for males and females | ||||||
14 | ssGBLUP | Pedigree | Candidates (800) | – | 0.53 (0.025) | 0.31 (0.020) |
15 | ssGBLUP | ssGBLUP | Candidates (800) | – | 0.53 (0.029) | 0.37 (0.034) |
16 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | 0.73 (0.013) | 0.73 (0.010) |
172 | GBLUP | GBLUP | Candidates (800) | Candidates (5500) | 0.72 (0.014) | 0.73 (0.011) |
181 | GBLUP | GBLUP | Candidates (800) | Candidates (2750) | 0.66 (0.019) | 0.66 (0.016) |