Table 7.
Genetic and phenotypic correlations between carcass traits
BF | LM area | CW | YI | YG | CP | |
---|---|---|---|---|---|---|
Genetic correlation | ||||||
Marbling | 0.07±0.061 | 0.15±0.056 | 0.21±0.051 | −0.07±0.061 | 0.02±0.064 | 0.64±0.047 |
Meat color | −0.15±0.155 | −0.11±0.143 | −0.21±0.134 | 0.17±0.153 | −0.05±0.161 | −0.20±0.154 |
Fat color | 0.10±0.099 | −0.09±0.091 | −0.03±0.083 | −0.10±0.097 | 0.14±0.101 | −0.09±0.182 |
Texture | −0.05±0.092 | −0.20±0.084 | −0.22±0.078 | 0.04±0.091 | 0.02±0.087 | −0.73±0.058 |
Maturity | 0.04±0.082 | −0.13±0.077 | −0.27±0.069 | 0.01±0.082 | 0.09±0.086 | −0.01±0.085 |
Quality grade | −0.05±0.064 | −0.18±0.058 | −0.23±0.052 | 0.05±0.064 | 0.01±0.066 | −0.23±0.044 |
Price/kg | −0.06±0.077 | 0.57±0.055 | 0.64±0.046 | 0.06±0.076 | −0.25±0.075 | 0.91±0.069 |
Phenotypic correlation | ||||||
Marbling | 0.15±0.006 | 0.20±0.006 | 0.19±0.006 | −0.11±0.006 | 0.05±0.006 | 0.67±0.005 |
Meat color | −0.10±0.010 | 0.00±0.010 | −0.05±0.010 | 0.10±0.010 | −0.09±0.010 | −0.21±0.018 |
Fat color | 0.03±0.010 | −0.06±0.010 | −0.04±0.010 | −0.03±0.010 | 0.06±0.010 | −0.04±0.017 |
Texture | −0.11±0.008 | −0.17±0.008 | −0.17±0.008 | 0.08±0.008 | −0.02±0.008 | −0.59±0.013 |
Maturity | 0.03±0.010 | −0.01±0.010 | −0.08±0.010 | −0.01±0.010 | 0.02±0.010 | −0.13±0.021 |
Quality grade | −0.14±0.006 | −0.20±0.005 | −0.20±0.005 | 0.11±0.006 | −0.05±0.008 | −0.73±0.005 |
Price/kg | 0.14±0.008 | 0.47±0.006 | 0.63±0.005 | −0.14±0.008 | −0.05±0.008 | 0.88±0.002 |
BF, backfat thickness; LM, longissimus muscle; CW, carcass weight; YI, yield index; YG, yield grade; and CP, carcass price.
Standard errors of genetic correlations ranged from ±0.044 to ±0.182, and standard errors of phenotypic correlations ranged from ±0.002 to ±0.021.