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. 2023 Jun 2;55:35. doi: 10.1186/s12711-023-00812-3

Table 10.

Estimates of genetic and phenotypic correlations between performance traits and meat quality and carcass traits

Genetic correlations
L* a* b* LMA IMF ShF DL CL BT
ADG 0.04 ± 0.19 0.11 ± 0.17 0.17 ± 0.18 − 0.18 ± 0.22 0.16 ± 0.16 − 0.09 ± 0.19 − 0.02 ± 0.19 − 0.04 ± 0.19 0.33 ± 0.16
FCR − 0.34 ± 0.18 0.46 ± 0.16 0.35 ± 0.19 − 0.67 ± 0.18 0.28 ± 0.17 0.01 ± 0.20 − 0.06 ± 0.20 − 0.47 ± 0.17 0.22 ± 0.18
ADFI − 0.13 ± 0.19 0.33 ± 0.15 0.33 ± 0.17 − 0.53 ± 0.17 0.30 ± 0.15 − 0.07 ± 0.19 − 0.001 ± 0.19 − 0.30 ± 0.17 0.42 ± 0.14
Phenotypic correlations
L* a* b* LMA IMF ShF DL CL BT
ADG 0.05 ± 0.06 0.13 ± 0.06 0.13 ± 0.06 − 0.12 ± 0.06 0.17 ± 0.06 − 0.05 ± 0.06 − 0.002 ± 0.06 − 0.08 ± 0.06 0.25 ± 0.06
FCR − 0.15 ± 0.05 0.10 ± 0.06 0.04 ± 0.05 − 0.14 ± 0.06 0.11 ± 0.06 0.03 ± 0.05 − 0.19 ± 0.05 − 0.17 ± 0.05 0.10 ± 0.05
ADFI − 0.04 ± 0.06 0.19 ± 0.06 0.15 ± 0.06 − 0.21 ± 0.06 0.25 ± 0.06 − 0.05 ± 0.06 − 0.12 ± 0.06 − 0.20 ± 0.06 0.31 ± 0.05

ADG average daily gain, FCR feed conversion ratio, ADFI average daily feed intake, L* meat lightness, a* meat redness, b* meat yellowness, LMA loin muscle area, IMF intramuscular fat, ShF shear force, DL drip loss, CL cooking loss, BT backfat thickness