Integrating gut and IgA‐coated microbiota to identify Blautia as a probiotic for enhancing feed efficiency in chickens. - Xie, Chunlin; Cheng, Jiaheng; Chen, Peng; Yan, Xia; Luo, Chenglong; Qu, Hao; Shu, Dingming; Ji, Jian (iMeta, 2025)