AUTHOR=Yu Miao , Xu Mengjie , Wang Guangju , Feng Jinghai , Zhang Minhong TITLE=Effects of different photoperiods on melatonin level, cecal microbiota and breast muscle morphology of broiler chickens JOURNAL=Frontiers in Microbiology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1504264 DOI=10.3389/fmicb.2025.1504264 ISSN=1664-302X