Table 5 Estimates of heritability of tryptophan fluorescence intensity at 330 nma in unstained eggs and of genetic and environmental correlations with shell color and cuticle deposition traits measured at 640 nm
From: Genetic variation and potential for genetic improvement of cuticle deposition on chicken eggs
| Â | Breed 1 | Breed 2A | Breed 3 | |
|---|---|---|---|---|
Egg color | Brown | White | Tinted | |
Ageb (weeks) | 31 | 50 | 32 | 39 |
Heritability | 0.44 (0.08) | 0.58 (0.08) | 0.36 (0.08) | 0.53 (0.07) |
Correlation with Pre-stain Abs@640Â nm | ||||
Genetic | − 0.81 (0.06) | − 0.76 (0.05) | − 0.08 (0.22) | − 0.85 (0.04) |
Environmental | − 0.53 (0.05) | − 0.63 (0.06) | − 0.06 (0.07) | − 0.39 (0.08) |
Phenotypic | − 0.63 (0.02) | − 0.71 (0.02) | − 0.07 (0.04) | − 0.64 (0.02) |
Correlation with ΔAbs@640 nm | ||||
Genetic | 0.28 (0.14) | 0.25 (0.13) | − 0.20 (0.18) | − 0.16 (0.13) |
Environmental | − 0.21 (0.08) | − 0.11 (0.10) | − 0.20 (0.08) | 0.00 (0.08) |
Phenotypic | − 0.01 (0.03) | 0.08 (0.04) | − 0.20 (0.01) | − 0.07 (0.03) |