TABLE 4.

Relative abundance (%) of bacterial families (>0.01% of all reads) in feces of pigs fed diets with or without phytase and lactic acid treatment of cereals.

	No phytase		Phytase			p-value1
Treatment of cereal grains	Con	LA	Con	LA	SEM	Phytase	LA	Phytase × LA
Lactobacillaceae	25.88	25.91	16.23	12.43	4.703	0.022	0.693	0.688
Clostridiaceae	9.22	16.85	18.02	33.13	5.393	0.029	0.046	0.495
Lachnospiraceae	18.09	13.42	22.85	12.59	2.858	0.498	0.015	0.338
Ruminococcaceae	16.89	12.49	14.01	8.78	1.788	0.078	0.013	0.818
Methanobacteriaceae	12.82	13.91	12.40	11.61	2.447	0.582	0.951	0.704
Prevotellaceae	2.34	3.03	1.66	6.97	1.806	0.376	0.110	0.214
Unclassified Clostridiales-1	3.07	2.11	3.68	2.28	0.513	0.446	0.031	0.672
Veillonellaceae	1.93	1.98	1.60	2.12	0.583	0.866	0.629	0.691
Coriobacteriaceae	1.38	2.85	0.64	1.99	0.599	0.194	0.027	0.923
Christensenellaceae	0.99	1.51	1.35	0.67	0.345	0.489	0.829	0.096
Streptococcaceae	1.97	0.035	2.35	0.015	1.143	0.874	0.074	0.860
Spirochaetaceae	0.44	1.02	0.49	1.80	0.538	0.452	0.093	0.501
Erysipelotrichaceae	0.43	0.77	0.10	1.15	0.321	0.936	0.041	0.274
Peptostreptococcaceae	0.72	0.20	0.76	0.36	0.116	0.397	0.001	0.583
Unclassified Clostridiales-2	0.35	0.45	0.61	0.46	0.159	0.417	0.857	0.442
Mogibacteriaceae	0.43	0.41	0.50	0.41	0.060	0.562	0.352	0.493
Desulfovibrionaceae	0.36	0.23	0.40	0.30	0.091	0.563	0.224	0.869
Methanomassiliicoccaceae	0.38	0.14	0.50	0.25	0.099	0.256	0.021	0.970
f__S24-7	0.25	0.45	0.15	0.33	0.155	0.494	0.233	0.969
Turicibacteraceae	0.068	0.092	0.25	0.75	0.214	0.061	0.234	0.280
Peptococcaceae	0.27	0.33	0.20	0.12	0.056	0.021	0.831	0.241
Paraprevotellaceae	0.22	0.21	0.16	0.26	0.094	0.948	0.680	0.566
Unclassified GMD14H09	0.19	0.16	0.30	0.15	0.100	0.625	0.362	0.576
Unclassified Bacteroidales-1	0.16	0.21	0.20	0.22	0.078	0.744	0.643	0.792
Succinivibrionaceae	0.18	0.30	0.075	0.053	0.122	0.168	0.700	0.574
Bifidobacteriaceae	0.22	0.15	0.035	0.016	0.113	0.177	0.674	0.802
Campylobacteraceae	0.14	0.12	0.10	0.061	0.034	0.161	0.335	0.794
Dehalobacteriaceae	0.061bc	0.090ab	0.094a	0.055c	0.012	0.920	0.700	0.009
Enterobacteriaceae	0.111	0.131	0.027	0.013	0.050	0.057	0.949	0.741
Eubacteriaceae	0.031	0.027	0.000	0.197	0.066	0.302	0.156	0.139
Porphyromonadaceae	0.035	0.011	0.016	0.034	0.012	0.871	0.833	0.098
Pirellulaceae	0.017	0.019	0.030	0.026	0.013	0.438	0.923	0.769
Unclassified YS2	0.016	0.013	0.012	0.035	0.008	0.252	0.217	0.095
Pasteurellaceae	0.020	0.015	0.016	0.021	0.008	0.922	0.965	0.513
Dethiosulfovibrionaceae	0.016	0.016	0.014	0.005	0.007	0.358	0.534	0.542
Sphaerochaetaceae	0.011ab	0.006ab	0.006b	0.014a	0.003	0.635	0.546	0.026
Helicobacteraceae	0.009	0.009	0.007	0.008	0.002	0.565	0.870	0.836

Values are presented as least square means ± SEM (n = 8 pigs per dietary treatment; with exception of Con diet with phytase group, n = 7 pigs). Con, control diet; LA, diet containing lactic acid-treated cereals. ^a,b,cDifferent superscripts within a row indicate significant difference (p ≤ 0.05). ¹p-values for fixed effects (phytase, LA treatment of cereals and their two-way interaction) were computed using ANOVA and the PROC MIXED in SAS.