Table A2.

Twenty-five most abundant families in dog’s fecal microbiota by relative abundance represented in percentage with its standard deviation.

	CTR	BRA	FRU
Prevotellaceae	26.44 ± 5.312	24.07 ± 5.581	21.72 ± 6.071
Fusobacteriaceae	20.38 ± 7.235	16.26 ± 7.968	20.45 ± 10.793
Bacteroidaceae	15.25 ± 5.198	14.64 ± 5.731	13.90 ± 6.038
Sutterellaceae	7.27 ± 3.700	9.48 ± 4.632	9.52 ± 5.148
Muribaculaceae	4.10 ± 4.903	7.33 ± 5.300	5.29 ± 6.240
Acidaminococcaceae	6.74 ± 1.881	4.70 ± 2.269	4.06 ± 2.220
Lachnospiraceae	3.87 ± 2.631	4.70 ± 2.389	3.90 ± 3.912
Lactobacillaceae	3.74 ± 5.299	3.56 ± 3.346	4.64 ± 5.665
Oscillospiraceae	1.97 ± 1.826	3.79 ± 2.489	2.17 ± 1.285
Succinivibrionaceae	2.59 ± 2.717	2.04 ± 1.735	2.96 ± 2.217
Selenomonadaceae	0.73 ± 0.778 a	1.18 ± 1.524 ab	5.08 ± 6.520 b
Erysipelotrichaceae	2.26 ± 2.382	2.41 ± 1.657	1.51 ± 1.119
Turicibacteraceae	0.70 ± 0.806	1.35 ± 2.569	2.03 ± 3.071
Peptostreptococcaceae	1.20 ± 0.709	1.71 ± 2.208	0.85 ± 0.413
Tannerellaceae	0.53 ± 0.237	0.38 ± 0.251	0.27 ± 0.228
Coriobacteriaceae	0.60 ± 0.741	0.28 ± 0.163	0.29 ± 0.202
Rikenellaceae	0.46 ± 0.494	0.33 ± 0.277	0.25 ± 0.330
Clostridiaceae	0.18 ± 0.141	0.53 ± 0.420	0.33 ± 0.289
Coprobacillaceae	0.07 ± 0.132	0.23 ± 0.509	0.24 ± 0.490
Eubacteriales Family XIII. Incertae Sedis	0.11 ± 0.068	0.18 ± 0.209	0.06 ± 0.082
Bifidobacteriaceae	0.02 ± 0.045 a	0.22 ± 0.233 b	0.06 ± 0.117 ab
Enterobacteriaceae	0.07 ± 0.222	0.17 ± 0.481	0.05 ± 0.097
Eggerthellaceae	0.09 ± 0.160	0.10 ± 0.094	0.06 ± 0.059
Eubacteriales noname	0.13 ± 0.264	0.05 ± 0.045	0.03 ± 0.039
Deferribacteraceae	0.03 ± 0.065	0.02 ± 0.042	0.04 ± 0.050

Note: CTR—control diet low in TDF (5.7%); BRA—diet enriched with fiber from cereals (12.0% TDF); FRU—diet enriched with fiber from fruits (12.2% TDF). Mean values with different superscripts in the same row differ with p < 0.05.