Elucidating the modulatory role of dietary hydroxyproline on the integrity and functional performance of the intestinal barrier in early-weaned piglets: A comprehensive analysis of its interplay with the gut microbiota and metabolites

Zhining Tang, Yang Yang, Mingrui Yang, Da Jiang, Yao Ge, Xinyu Zhang, Haozhen Liu, Qingyao Fu, Xiyuan Liu, Ying Yang, Zhenlong Wu, Yun Ji