Table 2 |
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| Heritability estimates (on the diagonal) and genetic correlations (above the diagonal) for body weight, body composition and meat quality traits in the whole population | |||||||||||||||
| BW3 | BW6 | BW9 | BW12 | BMY | AFP | LEGP | pH15 | pHu | L* | a* | b* | DL | SF | IMF | |
| BW3 | 0.31 ± 0.09 | 0.80 ± 0.08* | 0.7 ± 0.10 | 0.50 ± 0.15 | 0.16 ± 0.20 | 0.45 ± 0.17 | 0.16 ± 0.19 | 0.10 ± 0.21 | -0.03 ± 0.18 | 0.13 ± 0.19 | -0.41 ± 0.18 | -0.18 ± 0.21 | -0.07 ± 0.21 | 0.15 ± 0.22 | 0.33 ± 0.24 |
| BW6 | 0.31 ± 0.07 | 0.94 ± 0.03 | 0.80 ± 0.08 | 0.28 ± 0.19 | 0.46 ± 0.16 | 0.08 ± 0.19 | -0.10 ± 0.21 | -0.04 ± 0.18 | 0.04 ± 0.19 | -0.27 ± 0.19 | -0.32 ± 0.21 | -0.01 ± 0.21 | 0.03 ± 0.23 | 0.29 ± 0.25 | |
| BW9 | 0.45 ± 0.08 | 0.93 ± 0.03 | 0.30 ± 0.17 | 0.45 ± 0.14 | 0.16 ± 0.18 | -0.06 ± 0.19 | -0.12 ± 0.17 | 0.15 ± 0.17 | -0.42 ± 0.16 | -0.28 ± 0.19 | 0.03 ± 0.20 | 0.08 ± 0.21 | 0.35 ± 0.23 | ||
| BW12 | 0.46 ± 0.09 | 0.22 ± 0.17 | 0.38 ± 0.15 | 0.20 ± 0.17 | -0.11 ± 0.18 | -0.26 ± 0.15 | 0.24 ± 0.16 | -0.42 ± 0.16 | -0.20 ± 0.18 | 0.01 ± 0.19 | 0.18 ± 0.20 | 0.34 ± 0.22 | |||
| BMY | 0.46 ± 0.12 | -0.42 ± 0.14 | 0.17 ± 0.17 | -0.41 ± 0.18 | 0.13 ± 0.17 | -0.19 ± 0.17 | 0.12 ± 0.18 | 0.06 ± 0.19 | 0.20 ± 0.19 | -0.08 ± 0.21 | -0.29 ± 0.23 | ||||
| AFP | 0.53 ± 0.14 | -0.24 ± 0.16 | 0.33 ± 0.17 | 0.15 ± 0.16 | 0.02 ± 0.17 | -0.46 ± 0.15 | -0.43 ± 0.16 | -0.21 ± 0.19 | -0.12 ± 0.20 | 0.32 ± 0.21 | |||||
| LEGP | 0.43 ± 0.08 | -0.08 ± 0.19 | -0.18 ± 0.17 | 0.13 ± 0.17 | -0.13 ± 0.18 | -0.14 ± 0.19 | 0.04 ± 0.19 | 0.62 ± 0.16 | 0.25 ± 0.23 | ||||||
| pH15 | 0.34 ± 0.08 | -0.09 ± 0.18 | 0.16 ± 0.17 | -0.51 ± 0.14 | 0.04 ± 0.20 | -0.24 ± 0.19 | -0.44 ± 0.17 | -0.13 ± 0.24 | |||||||
| pHu | 0.48 ± 0.08 | -0.83 ± 0.07 | 0.15 ± 0.17 | -0.53 ± 0.14 | -0.68 ± 0.12 | -0.26 ± 0.18 | -0.03 ± 0.21 | ||||||||
| L* | 0.44 ± 0.10 | -0.28 ± 0.16 | 0.51 ± 0.14 | 0.64 ± 0.13 | 0.34 ± 0.19 | 0.42 ± 0.20 | |||||||||
| a* | 0.39 ± 0.10 | 0.05 ± 0.19 | 0.03 ± 0.19 | 0.22 ± 0.19 | -0.20 ± 0.24 | ||||||||||
| b* | 0.30 ± 0.11 | 0.47 ± 0.18 | 0.02 ± 0.22 | -0.33 ± 0.24 | |||||||||||
| DL | 0.30 ± 0.12 | 0.10 ± 0.22 | -0.04 ± 0.25 | ||||||||||||
| SF | 0.22 ± 0.08 | 0.57 ± 0.21 | |||||||||||||
| IMF | 0.18 ± 0.07 | ||||||||||||||
BW3 = Body weight at 3 weeks; BW6 = Body weight at 6 weeks; BW9 = Body weight at 9 weeks; BW12 = Body weight at 12 weeks.
BMY = Breast meat yield; AFP = Abdominal fat percentage; LEGP = Leg percentage; pH15 = pH at 15 min post-mortem; pHu = ultimate pH.
L* = lightness; a* = redness; b* = yellowness; DL = drip loss; SF = shear force; IMF = Intramuscular fat content. * Significant genetic correlations are in bold.
Chabault et al. BMC Genetics 2012 13:90 doi:10.1186/1471-2156-13-90
