Fig. 1
Response to selection for thermal growth coefficient (\(\text{TGC}\)) (left panel), feed conversion ratio (\(\text{FCR})\) (middle panel) and %fat (right panel) as a function of the genetic correlation (rg) between \(\text{TGC}\) and \(\text{FCR}\), for a single-trait breeding goal with \(\text{TGC}\) (“single trait”) and for breeding goals with \(\text{TGC}\) and \(\text{FCR}\) weighted by EV and ENV, respectively. Values are expressed in genetic standard deviations (σg) per year