Table 1.
Heritability (standard error) estimates for egg quality and body weight traits
| Trait | Pre-heat | Acutea | Week 1 | Week 2 | Week 3 | Week 4 |
|---|---|---|---|---|---|---|
| Albumen weight | 0.15 (0.10) | 0.39 (0.15) | 0.42 (0.15) | 0.23 (0.11) | 0.19 (0.13) | 0.05 (0.11) |
| Haugh units | 0.26 (0.11) | 0.15 (0.13) | 0.59 (0.14) | 0.24 (0.11) | 0.07 (0.1) | 0.40 (0.13) |
| Shell thickness | NCb | 0.28 (0.15) | 0.14 (0.14) | 0.05 (0.1) | NCb | 0.22 (0.16) |
| Shell weight | 0.02 (0.1) | 0.03 (0.12) | 0.11 (0.15) | 0.20 (0.11) | 0.21 (0.13) | 0.29 (0.15) |
| Yolk weight | 0.09 (0.10) | 0.08 (0.15) | 0.16 (0.14) | 0.06 (0.1) | 0.09 (0.11) | 0.11 (0.11) |
| Body weight | 0.35 (0.11) | NAc | NAc | 0.44 (0.10) | 0.31 (0.10) | 0.37 (0.11) |
aEggs collected the morning after the first heat cycle, such that they were formed during the first heat cycle
bDoes not converge
cTrait not measured at this time point