Dietary Tryptophan Regulates Muscle Development in Finishing Rongchang Pigs via the Gut-Liver-Muscle Axis Involving Bile Acid Metabolism and Gut Microbiota Remodeling

This study systematically elucidates the regulatory mechanism by which dietary Trp optimizes growth performance and muscle development in finishing Rongchang pigs via the gut-liver-muscle axis, and establishes a novel regulatory axis defined as Trp-hepatic BAs synthesis-gut microbiota remodeling-enterohepatic circulation of BAs-muscle development.