Table 2 Estimates of heritability of shell color and cuticle deposition measurement at 640 nm by breed and age
From: Genetic variation and potential for genetic improvement of cuticle deposition on chicken eggs
|  | Age (weeks) | Pre-stain Abs@640 nm | Post-stain Abs@640 nm | ΔAbs@640 nm |
|---|---|---|---|---|
Breed 1 (RIR) | 31 | 0.30 (0.07) | 0.33 (0.07) | 0.41 (0.07) |
Breed 1 (RIR) | 50 | 0.58 (0.08) | 0.46 (0.07) | 0.46 (0.07) |
Breed 2A (WL) | 32 | 0.22 (0.07) | 0.33 (0.08) | 0.34 (0.08) |
Breed 2B (WL) | 29 | – | 0.53 (0.10) | 0.53 (0.10) |
Breed 3 (broiler) | 39 | 0.56 (0.07) | 0.41 (0.07) | 0.37 (0.07) |
Breed 4 (WR) | 62 | 0.50 (0.07) | 0.27 (0.06) | 0.26 (0.06) |
Meta-analysisa | – | 0.43* (0.07) | 0.38 (0.04) | 0.38 (0.04) |