Table 4.

Relative abundance (‰, annotated reads/1000 reads) of microbiome at a family taxonomic level in the faeces of dogs fed a Reference diet (RF), Mixed diet (MD) or Control diet (CD)

	RD		MD		CD		Effects
	mean	st. dev.	mean	st. dev.	mean	st. dev.	treatment	MD vs RD	CD vs RD
Lactobacillaceae	313.44	143.27	9.56	12.45	219.04	109.11	**	**	Ns
Prevotellaceae	178.81	148.76	113.84	46.93	194.37	54.30	*	Ns	Ns
Peptostreptococcaceae	122.82	39.45	157.57	17.76	118.31	54.27	Ns	Ns	Ns
Lachnospiraceae	101.79	31.65	100.53	29.11	107.18	11.63	Ns	Ns	Ns
Fusobacteriaceae	46.67	22.15	109.51	50.88	77.27	8.21	Ns	**	Ns
Erysipelotrichaceae	54.29	24.34	76.51	32.28	43.63	26.11	Ns	Ns	Ns
Bacteroidaceae	27.75	16.96	63.30	52.96	60.60	21.33	Ns	*	Ns
Ruminococcaceae	31.68	11.99	22.74	7.74	45.10	11.60	**	Ns	*
Veillonellaceae	13.43	8.65	103.87	101.55	14.54	6.12	Ns	*	Ns
Acidaminococcaceae	10.11	12.07	15.74	6.13	13.04	3.76	Ns	Ns	Ns
Sutterellaceae	8.73	7.42	13.28	10.18	14.42	4.52	Ns	Ns	Ns
Streptococcaceae	11.97	8.52	53.58	56.37	10.40	8.97	*	**	Ns
Enterococcaceae	7.68	6.41	24.71	19.35	14.12	19.58	Ns	*	Ns
Peptococcaceae 1	9.99	5.15	13.78	6.87	10.37	3.39	Ns	Ns	Ns
Porphyromonadaceae	10.46	8.27	17.45	13.40	9.26	2.37	Ns	Ns	Ns
Coriobacteriaceae	7.72	3.25	16.16	8.20	6.95	3.07	Ns	*	Ns
Clostridiaceae 1	6.88	6.49	16.56	8.42	5.86	5.28	*	*	Ns
Enterobacteriaceae	0.47	0.26	24.54	8.85	1.98	0.82	**	**	Ns

RD Reference Diet, extruded diet fed until the beginning of the experimental period (T0), CD The same RD diet used as Control Diet during the experiment, MD Experimental Mixed Diet

Ns Not significant

*Significant for P < 0.05

**Significant for P < 0.01