Table 1.

Growth performance of nursery piglets as affected by dietary CEO supplementation¹

Item	Con2	CEO	SEM	P-value
1 d BW, kg	8.20	8.08	0.06	0.372
14 d BW, kg	11.93	12.79	0.29	0.038
28 d BW, kg	19.43	19.91	0.24	0.117
42 d BW, kg	29.16	30.81	0.82	0.077
1 ~ 14 d
ADG, g/d	264.29	340.71	38.21	0.084
ADFI, g/d	338.16	399.54	30.69	0.060
FCR	1.286	1.19	0.05	0.527
Diarrhea rate, %	20.77	14.16	3.30	0.072
Diarrhea index	1.07	0.88	0.10	0.080
15 ~ 28 d
ADG, g/d	451.62	488.543	18.46	0.038
ADFI, g/d	664.49	703.38	19.44	0.213
FCR	1.48	1.44	0.02	0.745
Diarrhea rate, %	14.89	11.58	1.65	0.118
Diarrhea index	0.63	0.56	0.036	0.429
29 ~ 42 d
ADG, g/d	748.86	774.07	12.61	0.572
ADFI, g/d	1218.13	1331.27	56.57	0.447
FCR	1.86	1.57	0.15	0.067
Diarrhea rate, %	11.53	8.84	1.35	0.069
Diarrhea index	0.56	0.39	0.08	0.067
1 ~ 42 d
ADG, g/d	488.25	556.67	34.21	0.002
ADFI, g/d	740.26	811.39	35.57	0.147
FCR	1.68	1.43	0.13	0.020
Diarrhea rate, %	16.96	12.00	2.48	0.080
Diarrhea index	0.75	0.63	0.06	0.122

¹Body weight (BW), average daily gain (ADG), average daily feed intake (ADFI), feed conversion ratio (FCR)

²Control (Con): a based diet. CEO: Con + compound essential oil (contain 5% cinnamaldehyde, 5% carvacrol and 0.7% thymol). N = 100 total, n = 50 per supplementation