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Table 2 Effect of dietary essential oil and antibiotics on the performance and fecal consistency of weanling pigs 1

From: Essential oil and aromatic plants as feed additives in non-ruminant nutrition: a review

Item Control Antibiotic 1 Essential oil SEM P
Phase 1 (d 0 to 7)      
 Weight gain, g/d 354 378 416 28 0.33
 Feed intake, g/d 473 478 502 26 0.71
 Feed conversion 1.36 1.3 1.24 0.08 0.59
Phase 2 (d 8 to 35)      
 Weight gain, g/d 465b 539a 513a 15 <0.01
 Feed intake, g/d 860 937 861 26 0.07
 Feed conversion 1.87 1.73 1.69 0.07 0.18
Overall (d 0 to 35)      
 Weight gain, g/d 442b 505a 493a 15 0.02
 Feed intake, g/d 783 846 789 24 0.13
 Feed conversion 1.79 1.67 1.62 0.06 0.20
 Feed consistency 1.53b 1.22a 1.30a 0.06 0.02
  1. Li et al. [19].
  2. 1Control = Basal diet; Antibiotic = Basal diet supplemented with 150 mg/kg chlortetracycline, 80 mg/kg colistin sulfate, and 50 mg/kg kitasamycin); EO = Basal diet supplemented with 18 mg/kg of thymol and cinnamaldehyde.
  3. a-bMeans in the same row with different superscripts are significantly different (P < 0.05).