Simple Summary In this study, we aimed to investigate the effects of Macleaya cordata extract (MCE) supplementation on performance, nutrient apparent digestibilities, plasma metabolites, and milk quality in dairy goats. The active ingredients of MCE are sanguinarine and chelerythrine, which are from the medicinal plant (Willd.) R. Br. Dietary supplementation with MCE can increase performance and the apparent nutrient digestibility of fiber in dairy goats. In this study, we aimed to investigate the effects of Macleaya cordata extract (MCE) supplementation on performance, nutrient apparent diges...
