Table 2.
Estimates of SNP based heritabilities (on the diagonal) and of genetic (above the diagonal) and phenotypic correlations between egg production traits
| Traits | AFE | EN1 | EN2 | EN3 | EN4 | EN5 | Total-EN |
|---|---|---|---|---|---|---|---|
| AFE | 0.40 (0.05) | – | 0.14 (0.21) | −0.02 (0.15) | −0.13 (0.15) | − 0.15 (0.15) | −0.53 (0.14) |
| EN1 | −0.95 | 0.39 (0.05) | −0.19 (0.21) | 0.03 (0.15) | 0.12 (0.15) | 0.10 (0.15) | 0.51 (0.14) |
| EN2 | 0.19 | −0.19 | 0.07 (0.04) | 0.64 (0.25) | 0.35 (0.26) | −0.16 (0.29) | 0.10 (0.29) |
| EN3 | 0.08 | −0.08 | 0.24 | 0.19 (0.05) | 0.81 (0.11) | 0.38 (0.17) | 0.58 (0.15) |
| EN4 | 0.03 | −0.04 | 0.14 | 0.47 | 0.18 (0.05) | 0.77 (0.11) | 0.87 (0.07) |
| EN5 | 0.06 | −0.06 | 0.12 | 0.32 | 0.53 | 0.18 (0.05) | 0.88 (0.05) |
| Total-EN | −0.15 | 0.16 | 0.18 | 0.51 | 0.78 | 0.87 | 0.14 (0.05) |
AFE: age at first egg; EN1, EN2, EN3, EN4, EN5: total egg numbers in each of five stages (from onset of laying eggs to 23 weeks, from 23 to 37 weeks, from 37 to 50 weeks, from 50 to 61 weeks and from 61 to 80 weeks); Total-EN: total egg number from onset of laying eggs to 80 weeks