Table 1.

Differences in relative abundance (%) of most abundant bacterial genera present in cecal digesta of low and high residual feed intake (RFI) broiler chickens receiving either a fecal microbiota transplant (FMT) or a control transplant (CT).

	FMT		CT			P value
Genus	Low RFI	High RFI	Low RFI	High RFI	SEM	FMT	RFI	FMT × RFI
g_Lactobacillus	0.68	0.35	1.23	0.90	0.254	0.036	0.195	0.995
g_Ruminococcus	3.11	3.70	2.57	2.94	0.380	0.093	0.215	0.772
g_[Ruminococcus]	2.42	2.79	1.30	1.79	0.460	0.025	0.352	0.904
o_RF39;f_;g_	0.68	1.01	1.15	0.40	0.264	0.788	0.429	0.045
g_Dorea	0.27	0.24	0.16	0.18	0.042	0.047	0.912	0.528
f_Lachnospiraceae;f_;g_	0.18	0.27	0.15	0.21	0.035	0.190	0.032	0.520
f_Bacillaceae;g_	0.016	0.022	0.098	0.035	0.023	0.050	0.229	0.146
f_Ruminococcaceae;g_	0.030	0.027	0.048	0.049	0.008	0.012	0.889	0.833

Data are presented as least-square means and pooled SEM. Low RFI FMT females, n = 8; low RFI FMT males, n = 7; high RFI FMT females, n = 7; high-RFI FMT males, n = 6; low RFI CT females, n = 7; low-RFI CT males, n = 7; high-RFI CT females, n = 7; high-RFI CT males, n = 7.