Percentage of times that the correct location of the QTL was identified for various selection strategies when 30% individuals expressed the less common dichotomous phenotype
| Frequency of positive QTL alleles (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0.10 | ≈0.20 | ||||||||
| h2 = 0.05 | h2 = 0.30 | h2 = 0.05 | h2 = 0.30 | ||||||
| Strategy | QTL variance: | 0.10 | 0.30 | 0.10 | 0.30 | 0.10 | 0.30 | 0.10 | 0.30 |
| RAN | 10.6 | 20.2 | 26.9 | 50.8 | 14.9 | 25.7 | 37.5* | 65.5 | |
| STD | 13.0 | 19.4 | 24.8 | 49.9 | 15.5 | 29.0 | 39.6* | 65.1 | |
| BAL | 11.5 | 21.6 | 29.2 | 49.8 | 14.7 | 26.2 | 38.4* | 64.8 | |
| DIS10 | 14.5 | 30.0 | 32.7* | 53.9 | 16.7 | 30.2 | 41.3* | 63.3 | |
| DIS20 | 16.1* | 28.8 | 33.4* | 59.8* | 15.2 | 33.3 | 40.6* | 67.3* | |
| DIS50 | 13.9 | 24.0 | 34.2* | 57.0* | 15.0 | 29.6 | 41.4* | 69.2* | |
| CON5 | 15.0* | 26.7 | 16.4 | 32.2 | 17.0 | 32.9 | 19.1 | 39.3 | |
| CON10 | 17.3* | 31.3 | 21.4 | 42.1 | 20.2 | 40.6 | 26.6 | 51.4 | |
| CON25 | 17.8* | 37.3* | 26.3 | 49.7 | 26.2* | 48.5* | 34.6 | 61.7 | |
Numbers in italics indicate the most precise strategy and asterisks indicate the strategies that did not differ significantly (P < 0.05) from the best strategy. RAN, random genotyping; STD, selective genotyping; BAL, genotyping equal numbers of discordant pairs per sire; DISn, discordant sib selection with n = 10, 20, or 50 half-sib families; CONn, concordant sib selection with 5, 10, or 25 high and low sires.