Fig. 1From: Comparative metabolome analysis of serum changes in sheep under overgrazing or light grazing conditionsPCA scores in ESI positive mode (a) and ESI negative mode (b) based on the ultra-high-performance liquid chromatography combined with quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF/MS) data of the serum samples. Green dots: serum samples of sheep under LG conditions; blue dots: serum samples of sheep under OG conditions; red dots: QC samplesBack to article page