Fig. 1From: Using nontargeted LC-MS metabolomics to identify the Association of Biomarkers in pig feces with feed efficiency Boxplot of feed efficiency (FE)-related phenotypes. Differences in (A) FCR and (B) RFI trait between high- and low-FE groups. H-FE, high-feed efficiency; L-FE, low-feed efficiency; FCR, feed conversion ratio; RFI, residual feed intake. *** p < 0.0001. **p < 0.01Back to article page