Table 7.
Accuracy of genomic prediction within and across breeds from purebred or crossbred reference set
| Trait | Reference set | Size | GBV accuracy (50k) | GBV accuracy (HD) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Merino | BL | PD | WS | Merino | BL | PD | WS | |||
| B-WT | Mer | 3159 | 0.42 (0.04)a | −0.14 (0.11) | −0.16 (0.07) | −0.015 (0.07) | 0.43 (0.04) | 0.08 (0.11) | −0.09 (0.07) | 0.09 (0.07) |
| BL × Mer | 1187 | 0.37 (0.04) | 0.25 (0.11) | 0.06 (0.07) | 0.073 (0.07) | 0.38 (0.04) | 0.28 (0.11) | 0.06 (0.07) | 0.11 (0.07) | |
| PD × Mer (A) | 1616 | 0.35 (0.04) | −0.09 (0.11) | 0.25 (0.07) | 0.056 (0.07) | 0.38 (0.04) | 0.01 (0.11) | 0.25 (0.07) | 0.06 (0.07) | |
| WS × Mer (B) | 1015 | 0.33 (0.04) | −0.04 (0.11) | 0.04 (0.07) | 0.152 (0.07) | 0.34 (0.04) | 0.01 (0.11) | 0.04 (0.07) | 0.20 (0.07) | |
| (A) + (B) | 2631 | 0.39 (0.04) | −0.02 (0.11) | 0.25 (0.07) | 0.163 (0.07) | 0.40 (0.04) | −0.01 (0.11) | 0.26 (0.07) | 0.18 (0.07) | |
| W-WT | Mer | 4586 | 0.36 (0.04) | −0.09 (0.11) | −0.01 (0.07) | 0.001 (0.07) | 0.37 (0.04) | 0.10 (0.11) | 0.02 (0.07) | 0.01 (0.07) |
| BL × Mer | 1495 | 0.31 (0.04) | 0.33 (0.10) | −0.10 (0.07) | −0.047 (0.07) | 0.34 (0.04) | 0.33 (0.11) | −0.09 (0.07) | 0.06 (0.07) | |
| PD × Mer (A) | 936 | 0.24 (0.05) | 0.10 (0.11) | 0.10 (0.07) | 0.045 (0.07) | 0.34 (0.04) | 0.10 (0.11) | 0.13 (0.07) | 0.14 (0.07) | |
| WS × Mer (B) | 876 | 0.23 (0.05) | 0.03 (0.11) | −0.08 (0.07) | 0.218 (0.07) | 0.32 (0.04) | 0.04 (0.11) | 0.00 (0.07) | 0.33 (0.07) | |
| (A) + (B) | 1812 | 0.32 (0.04) | 0.02 (0.11) | 0.19 (0.07) | 0.117 (0.07) | 0.41 (0.04) | 0.02 (0.11) | 0.27 (0.07) | 0.19 (0.07) | |
| PW-WT | Mer | 3935 | 0.50 (0.04) | −0.01 (0.11) | −0.03 (0.07) | 0.076 (0.07) | 0.52 (0.04) | −0.01 (0.11) | 0.01 (0.07) | 0.10 (0.07) |
| BL × Mer | 1824 | 0.40 (0.04) | 0.36 (0.10) | −0.02 (0.07) | −0.026 (0.07) | 0.41 (0.04) | 0.37 (0.11) | 0.09 (0.07) | 0.13 (0.07) | |
| PD × Mer (A) | 1849 | 0.39 (0.04) | 0.01 (0.11) | 0.28 (0.07) | 0.021 (0.07) | 0.46 (0.04) | 0.00 (0.11) | 0.31 (0.07) | 0.07 (0.07) | |
| WS × Mer (B) | 1224 | 0.33 (0.04) | 0.00 (0.11) | 0.02 (0.07) | 0.230 (0.07) | 0.35 (0.04) | 0.06 (0.11) | 0.08 (0.07) | 0.28 (0.07) | |
| (A) + (B) | 3073 | 0.47 (0.04) | −0.01 (0.11) | 0.27 (0.07) | 0.251 (0.07) | 0.54 (0.04) | −0.01 (0.11) | 0.31 (0.07) | 0.28 (0.07) | |
| P-EMD | Mer | 3449 | 0.337 (0.04) | −0.059 (0.11) | 0.084 (0.07) | 0.074 (0.07) | 0.337 (0.04) | −0.062 (0.11) | 0.084 (0.07) | 0.101 (0.07) |
| BL × Mer | 1602 | 0.241 (0.04) | 0.217 (0.11) | 0.124 (0.07) | 0.028 (0.07) | 0.244 (0.04) | 0.232 (0.11) | 0.144 (0.07) | 0.102 (0.07) | |
| PD × Mer (A) | 1809 | 0.270 (0.04) | 0.004 (0.11) | 0.150 (0.07) | 0.037 (0.07) | 0.284 (0.04) | 0.002 (0.11) | 0.174 (0.07) | 0.042 (0.07) | |
| WS × Mer (B) | 1249 | 0.190 (0.04) | 0.000 (0.11) | 0.044 (0.07) | 0.134 (0.07) | 0.201 (0.04) | 0.000 (0.11) | 0.046 (0.07) | 0.141 (0.07) | |
| (A) + (B) | 2544 | 0.250 (0.04) | 0.001 (0.11) | 0.160 (0.07) | 0.152 (0.07) | 0.254 (0.04) | 0.002 (0.11) | 0.181 (0.07) | 0.157 (0.07) | |
| PW-CF | Mer | 2685 | 0.314 (0.04) | 0.076 (0.11) | 0.073 (0.07) | −0.099 (0.07) | 0.318 (0.04) | 0.091 (0.11) | 0.024 (0.07) | −0.005 (0.07) |
| BL × Mer | 1186 | 0.136 (0.05) | 0.240 (0.11) | 0.044 (0.07) | 0.044 (0.07) | 0.139 (0.04) | 0.253 (0.11) | 0.064 (0.07) | 0.065 (0.07) | |
| PD × Mer (A) | 1295 | 0.134 (0.05) | 0.121 (0.11) | 0.296 (0.07) | 0.069 (0.07) | 0.138 (0.04) | 0.126 (0.11) | 0.322 (0.07) | 0.080 (0.07) | |
| WS × Mer (B) | 1250 | 0.130 (0.05) | 0.000 (0.11) | 0.001 (0.07) | 0.074 (0.07) | 0.133 (0.04) | 0.000 (0.11) | 0.003 (0.07) | 0.116 (0.07) | |
| (A) + (B) | 2540 | 0.170 (0.05) | 0.021 (0.11) | 0.286 (0.07) | 0.076 (0.07) | 0.184 (0.04) | 0.024 (0.11) | 0.296 (0.07) | 0.121 (0.07) | |
BL Border Leicester, PD Poll Dorset, WS White Suffolk
aStandard error (SE) calculated according to: where r is the correlation coefficient and n is the number of paired observations; for trait abbreviations see Table 1