Table 1 Trait parameters for average daily gain (ADG, kg/day) and mortality rate (MORT, %) in the nucleus (N), challenge (C), and target (T) environments
Trait | Phenotypic (below diagonal) and genetic (above diagonal) correlations, and heritabilities (on diagonal) | Trait mean | Phenotypic SD | Economic value ($/unit) | |||||
|---|---|---|---|---|---|---|---|---|---|
ADGN | MORTN | ADGC | MORTC | ADGT | MORTT | ||||
ADGN | 0.25 | − 0.20 | 0.60 | − 0.20 | 0.864 | − 0.225 | 0.90 | 0.135 | 181 |
MORTN | − 0.13 | 0.03 | – | 0.40 | − 0.221 | 0.637 | 5 | 21.8 | − 1 |
ADGC | – | − 0.20 | 0.25 | − 0.40 | 0.921 | − 0.395 | 0.75 | 0.175 | 262 |
MORTC | – | – | − 0.25 | 0.07 | − 0.347 | 0.961 | 20 | 40.0 | − 1 |
ADGT | – | – | – | – | 0.25 | − 0.358 | 0.825 | 0.175 | 219 |
MORTT | – | – | – | – | – | 0.057 | 12.5 | 40.0 | − 1 |