Table 2.

Treatment effect on piglet growth performance

	Control		Treatment (OEO)		p value
	Mean	SE	Mean	SE
Birth weight (kg)	1.36	0.02	1.38	0.02	0.374
Total litter birth weight (kg)	19.95	0.68	19.87	0.73	0.930
Weight week 1 (kg)	2.11a	0.03	2.23b	0.03	0.006
Weight week 2 (kg)	3.46	0.05	3.50	0.05	0.292
Weight week 3 (kg)	5.44	0.07	5.54	0.07	0.302
Weight week 4 (weaning) (kg)	7.37	0.09	7.55	0.09	0.156
Mean weight 10 weeks post weaning (kg)	40.76	0.38	41.32	0.40	0.396
ADG 10 weeks post weaning (kg/d)	0.476	0.005	0.483	0.005	0.305
Average slaughter age (day)	147.81	0.628	147.70	0.473	0.890
Mean slaughter weight (kg)	88.42	2.08	91.82	1.56	0.190

OEO Oregano Essential Oil

ADG Average daily gain

SE Standard error

Superscript letters a-b represent statistical significance at p < 0.05