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The grouping of experiment.
| Group | Treatment | Number |
|---|---|---|
| Control group | Basal diet | 240 |
| Antibiotic group (ABG) | Basal diet + 100 mg/kg Zinc bacitracin | 240 |
| Antibacterial peptide group 1 (ABP1) | Basal diet + 100 g/t Pratt ABP + 100 g/t Full-tide ABP | 240 |
| Antibacterial peptide group 2 (ABP2) | Basal diet + 100 g/t Pratt ABP + 50 g/t Origin plant essential oil | 240 |
