AUTHOR=Wang Yan , Zhang Chaosheng , Chen Xing , Zheng Aijuan , Liu Guohua , Ren Ying , Chen Zhimin TITLE=Dietary supplementation of compound probiotics to improve performance, egg quality, biochemical parameters and intestinal morphology of laying hens JOURNAL=Frontiers in Veterinary Science VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2024.1505151 DOI=10.3389/fvets.2024.1505151 ISSN=2297-1769