highly significantp < 0.001
Hub Gene Expression Pattern In the validation population, RFI in the high feed efficiency group ranged from −0.089 to −0.004 g/d (mean: −0.017 g/d), while that in the low feed efficiency group ranged from 0.006 to 0.034 g/d (mean: 0.017 g/d), showing a highly significant difference between the two groups ( p < 0.001).