Table 5.

Diet, farming system, and time effects on gene expression.

Items	Dietary treatment		SEM	P-value	Rearing system		SEM	P-value	Sampling time		SEM	P-value
	CTRL	ORE			IN	OUT			T1	T2
HSP90	1.117	0.857	0.069	0.010	0.807	1.167	0.069	0.001	0.838	1.135	0.070	0.003
ICAM1	1.281	1.088	0.105	0.202	1.118	1.240	0.105	0.452	1.056	1.313	0.088	0.009
IL8	5.276	4.907	0.283	0.356	5.750	4.433	0.283	0.002	5.631	4.551	0.288	0.009
IL18	1.823	1.492	0.128	0.079	1.645	1.669	0.128	0.898	1.596	1.718	0.109	0.299
TNF	1.280	1.335	0.092	0.679	1.164	1.452	0.092	0.036	1.205	1.410	0.076	0.011
IL10	1.703	1.522	0.143	0.379	1.713	1.512	0.143	0.330	1.810	1.416	0.132	0.023
IL1RN	1.388	1.437	0.111	0.754	1.736	1.089	0.111	0.003	1.216	1.608	0.093	0.001
NFKB1	1.427	1.265	0.062	0.073	0.990	1.702	0.063	<0.001	1.182	1.510	0.056	<0.001
IL1β	1.711	1.653	0.102	0.694	1.465	1.897	0.101	0.004	1.681	1.680	0.103	0.997
STAT3	0.919	0.852	0.060	0.435	0.682	1.088	0.060	<0.001	0.607	1.163	0.061	<0.001

CTRL, control diet; ORE, oregano essential oil dietary supplementation; IN, indoor rearing system; OUT, outdoor rearing system; T1, 120 days; T2, 190 days; SEM, standard error of the mean.