. 2021 Oct 13;101(1):101541. doi: 10.1016/j.psj.2021.101541

Table 4.

Effects of different proportions of naturally oxidized oil on serum immune-related molecules of broilers.

Parameter	OXA	OXB	OXC	OXD	OXE	SEM	P-value	P-linear	P-quadratic
IgA (μg/mL)	43.97^a	38.22^ab	44.62^a	44.72^a	33.43^b	1.33	0.012	0.077	0.074
IgG (μg/mL)	337.99^bc	363.82^ab	366.78^ab	402.24^a	295.49^c	9.52	0.002	0.383	0.001
IFN-γ (pg/mL)	7.33^cd	7.60^bc	9.76^a	8.97^ab	5.93^d	0.32	<0.001	0.393	<0.001
TNF-α (pg/mL)	10.98	11.27	10.47	9.99	10.86	0.26	0.624	0.438	0.522
IL-1β (pg/mL)	89.11	92.87	92.44	78.71	81.55	2.74	0.368	0.141	0.513
IL-6 (pg/mL)	4.81	3.96	4.36	4.11	3.76	0.12	0.055	0.020	0.711
IL-8 (pg/mL)	16.86	19.10	17.18	17.20	15.60	0.43	0.153	0.144	0.110
IL-10 (pg/mL)	10.43^bc	11.38^ab	12.37^a	12.57^a	8.98^c	0.33	0.001	0.337	<0.001

Abbreviations: OXA, basal diet with 0% naturally oxidized oil; OXB, basal diet with 25% naturally oxidized oil; OXC, basal diet with 50% naturally oxidized oil; OXD, basal diet with 75% naturally oxidized oil; OXE, basal diet with 100% naturally oxidized oil.

^abcd

Different letters in the same row indicate significant differences (P < 0.05), and the same letter means no significant difference (P > 0.05).