ACTB and infection: Of these genes, the abundance of transcripts of genes Prph, Vim, Fdps, and Alb were continuously downregulated from 24 to 96 h after infection, while the transcripts of genes Arhgdia, Actb, Krt83, Mdh1, Mdh1, Lta4h, and Psma1 were up-regulated at different times after infection, and some of them also showed a wavy up-down expression pattern.