Table S1. Primers used to identify S. aureus. Table S2. Data statistics of DGE sequencing. Table S3. KEGG pathway analysis of differential expressed genes related to S. aureus mastitis resistance. Table S4. Raw data and mapping results of bovine H3K27me3. Table S5. Primers used to confirm ChIP-seq and DGE results of CD4 and IL10 genes. Table S6. DHI records and bacterium culture of sample cows. Table S7. Common differentially expressed genes by the two classification criteria. (DOCX 38 kb