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The number of sows during the experimental periods.
| Item | C1 | OEO1 |
|---|---|---|
| Breeding | 26 | 28 |
| Culled during gestation2 | 3 | 1 |
| Parturition | 23 | 27 |
| Culled during lactation2 | 1 | 2 |
| Weaning | 22 | 25 |
1Dietary treatments: C = control diet; OEO = 15 mg/kg oregano essential oils diet.
2Data of sows that were ill, seriously lame, died during the study and had reproductive failure were not included.
