Fig. 8From: Uncovering sperm metabolome to discover biomarkers for bull fertilityReceiver operating characteristic curves based on PSL-DA analysis models. a GABA (AUC: 0.84; P = 0.001), b Carbamate (AUC: 0.92; P = 0.005), c Benzoic acid (AUC: 0.84; P = 0.006), and d Lactic acid (AUC: 0.80; P = 0.008). AUC: Area under curvesBack to article page