AUTHOR=Wei Yanming , Hua Yongli , Zhu Xiaopeng , Ma Ting , Zhao Nainshou , Li Chenchen , Mai Zhanhai , Zhang Xiaosong , Ji Peng , Ren Jianming , Haochi YANG TITLE=Investigating the regulatory effect of Shen Qi Bu Qi powder on the gastrointestinal flora and serum metabolites in calves JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2024.1443712 DOI=10.3389/fcimb.2024.1443712 ISSN=2235-2988