AUTHOR=Huang Qixin , Chen Rui , Wu Wenzi , Fan Jinghui , Ma Xin , Chen Zhou , Ye Wenxin , Qian Lichun TITLE=Effects of various supplemental levels of multi-enzyme complex on amino acid profiles in egg yolk, antioxidant capacity, cecal microbial community and metabolites of laying hens JOURNAL=Frontiers in Microbiology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2024.1466024 DOI=10.3389/fmicb.2024.1466024 ISSN=1664-302X