AUTHOR=Xu Yongqing , Yi Siyu , Xu Xiaojie , Zhang Minghui , Cui Yadong , Lan Wei , Li Fenglan , Kong Xiangfeng TITLE=Optimal fermentation of Shuanghuanglian and its effects on production performance of laying hens JOURNAL=Frontiers in Veterinary Science VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2024.1415232 DOI=10.3389/fvets.2024.1415232 ISSN=2297-1769