Table 10.

Effects of different proportions of naturally oxidized oil on cecal microbiota composition at the genus level of broilers.

Parameter(%)	OXA	OXB	OXC	OXD	OXE	SEM	P-value	P-linear	P-quadratic
Bacteroides	15.74	14.05	10.25	8.13	10.98	1.624	0.618	0.201	0.446
Faecalibacterium	12.93	13.24	15.36	6.97	5.6	1.768	0.336	0.102	0.35
Oscillospira	7.88	5.82	7.27	7.25	8.48	0.404	0.321	0.358	0.138
Lactobacillus	2.49b	1.36b	4.24ab	8.03a	3.06b	0.749	0.038	0.109	0.234
Ruminococcus	1.51	1.89	1.9	2.28	2.21	0.143	0.462	0.086	0.662
Desulfovibrio	2.45	1.76	1.35	1.8	1.93	0.207	0.605	0.511	0.173
Ruminococcus	1.26	2.11	0.92	2.24	2.45	0.202	0.057	0.065	0.428
Akkermansia	0.33	0.13	2.78	2.11	2.25	0.714	0.712	0.275	0.671
Megamonas	0.42	0.57	0.51	4.59	1.46	0.759	0.375	0.263	0.704
Alistipes	0.56	1.81	1.23	1.32	0.6	0.205	0.264	0.77	0.061

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.

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