Conceptualization, G.C., Z.L. and Q.C.; methodology, G.C.; software, Z.L. and Y.L.; validation, M.Z. and G.Z.; formal analysis, G.Z.; investigation, J.P. and Z.Y. (Zhikang Yang); resources, Z.Y. (Zhaoming Yan); data curation, G.C., S.L., Y.L. and T.T.; writing—original draft preparation, G.C.; writing—review and editing, Q.C. and Z.Y. (Zhaoming Yan); visualization, S.L.; supervision, Q.C.; funding acquisition, Q.C. All authors have read and agreed to the published version of the manuscript. This work was supported by the Science Research Project of Education Department of Hunan Province, No. HNJG-2020-0333 and the Research on the Application of Chinese Herbal Medicine in Suckling Piglets—Horizontal Project (2020JC-JS110).
