Table 3.

Abundance of rumen bacterial taxa in the rumen of goat kids reared in absence (CTL) or presence of adult companions (CMP) at 7 weeks of age (n = 8).

	Treatments
	CTL	CMP	Adultsa	SEM	p -valueb
p_Actinobacteria, f_Coriobacteriaceae	0.12	0.04	0.82	0.025	0.079
p_Bacteroidetes	64.2	71.5	62.6	1.960	0.093
f_Paraprevotellaceae	3.23	5.77	2.40	0.704	0.059
f_Bacteroidaceae, g_BF311	0.18	0.62	1.57	0.108	0.027
p_Cyanobacteria	0.02	0.08	0.05	0.164	0.021
p_Firmicutes	16.6	13.7	21.4	0.837	0.059
f_Ruminococcaceae	7.31	5.09	5.71	0.705	0.093
f_Veillonellaceae	0.68	1.40	1.21	0.184	0.027
g_Selenomonas	0.14	0.33	0.15	0.068	0.035
g_Succinispira	0.01	0.69	0.85	0.142	0.001
f_Erysipelotrichaceae	1.03	1.47	0.75	0.269	0.046
g_Bulleidia	0.00	0.12	0.05	0.036	0.004
p_Proteobacteria	4.24	2.23	0.86	1.040	0.338
f_Rhodocyclaceae	0.21	0.05	0.02	0.048	0.059
g_Georgfuchsia	0.21	0.05	0.00	0.048	0.046
f_Desulfovibrionaceae	0.44	0.24	0.44	0.057	0.036
p_Spirochaetes	6.57	2.09	0.70	1.220	0.021
f_Spirochaetaceae	5.05	1.25	0.41	1.020	0.021
g_Spirochaeta	0.02	0.55	0.13	0.012	0.062
g_Treponema	2.04	0.58	0.15	0.389	0.036
p_SR1	0.00	0.11	0.26	0.038	0.001
p_Synergistetes	0.07	0.19	0.18	0.034	0.059
g_Dethiosulfovibrio	0.01	1.20	0.72	0.035	0.004
p_Tenericutes	0.04	0.10	0.11	0.022	0.088
p_TM7, f_F16	0.08	0.23	0.04	0.037	0.021
p_Verrucomicrobia	1.28	3.35	0.76	0.620	0.074
f_RFP12	0.59	2.95	0.60	0.577	0.016

^aDescription of the rumen bacterial community in the adult companions.

^bp-values for the differences between CTL and CMP kids. Only taxa with an average abundance > 0.05% are shown. p, phylum; f, family; g, genus.