Conceptualization, L.W., L.Q. and W.W.; methodology, L.W., L.Q. and W.W.; software, L.W.; validation, L.W., Y.W. and L.C.; formal analysis, L.W., L.Q. and W.W.; investigation, L.W.; resources, L.W., A.L. and J.F.; data curation, L.W., A.L. and J.F.; writing—original draft preparation, L.W., L.Q. and W.W.; writing—review and editing, L.W., L.Q. and W.W.; visualization, L.W.; supervision, A.L. and J.F.; project administration, A.L. and J.F.; funding acquisition, W.W. and A.L. All authors have read and agreed to the published version of the manuscript. This research was funded by the Strategic Priority Research Program of the National Center of Technology Innovation for Pigs, grant number is “NCTIP-XD/B06”.
