Effects of Moringa oliefera on plasma metabolites (A), glucose and enzymes in ewes (B). TP total albumin, Alb albumin, BUN blood urea nitrogen, Glu glucose, ALP Alkaline phosphatase, AST Aspartate aminotransferase, GGT Gamma-glutamyl transferase. a,b Values with different superscripts between groups significantly differ at P < 0.05.