Table 1. Effects of low protein diets on proportion of ileal bacteria of finishing pigs at genus level (%)^1,2.

Classification levels of bacteria			Diet			SEM	P value
Phylum	Family	Genus	16% CP	13% CP	10% CP
Firmicutes	Clostridiaceae_1	Clostridium_sensu_stricto_1	44.76a	19.92b	18.41b	4.21	<0.01
	Streptococcaceae	Streptococcus	19.54	15.93	8.29	2.99	0.10
	Leuconostocaceae	Weissella	2.29	6.04	0.32	1.81	0.06
	Erysipelotrichaceae	Turicibacter	6.60	2.23	7.35	1.19	0.17
	Lactobacillaceae	Lactobacillus	4.51	2.44	0.53	1.00	0.28
	Bacillaceae	Bacillus	1.32	0.60	4.92	1.2	0.30
	Paenibacillaceae	Paenibacillus	0.47	0.22	1.87	0.46	0.30
Proteobacteria	Enterobacteriaceae	Escherichia-Shigella	1.06c	10.9b	35.39a	4.89	<0.01
		Klebsiella	0.84	3.29	1.15	0.90	0.50
	Pasteurellaceae	Actinobacillus	0.00	5.87	0.03	1.16	0.08
—	—	unidentified	15.51	31.37	17.91	3.07	0.14

Note:¹Genera with proportion less than 1% are not listed.

Values are means, n = 6. SEM: standard error of the mean.

^a,bDifferent superscript within a row means significantly different (P < 0.05).