Table 4.

Effect of concentrate supplementation on predict functions in the bacterial community of grazing yaks during the warm season.

Item	Group 1		SEM 2	p-Value
	GY	GYS
Amino acid metabolism	13.09	13.28	0.043	0.022
Biosynthesis of other secondary metabolites	2.28	2.06	0.067	0.119
Carbohydrate metabolism	13.50	13.86	0.088	0.040
Cell growth and death	1.62	1.58	0.013	0.056
Cell motility	2.44	3.15	0.139	<0.001
Cellular community prokaryotes	0.18	0.19	0.003	0.047
Digestive system	0.07	0.04	0.005	0.008
Endocrine system	0.25	0.24	0.005	0.299
Energy metabolism	5.75	5.78	0.016	0.860
Environmental adaptation	0.22	0.24	0.005	0.006
Folding, sorting and degradation	3.25	3.27	0.010	0.945
Glycan biosynthesis and metabolism	4.45	3.73	0.147	0.003
Immune system	0.09	0.09	0.001	0.092
Infectious disease	0.18	0.18	0.001	0.093
Lipid metabolism	4.72	5.39	0.137	0.005
Membrane transport	1.52	1.58	0.022	0.236
Metabolism of cofactors and vitamins	13.49	12.63	0.178	0.006
Metabolism of other amino acids	7.11	6.68	0.123	0.112
Metabolism of terpenoids and polyketides	9.73	10.29	0.115	0.003
Nucleotide metabolism	2.12	2.10	0.009	0.288
Replication and repair	6.45	6.46	0.024	0.813
Translation	5.03	5.11	0.022	0.055
Xenobiotics biodegradation and metabolism	2.23	1.81	0.234	0.412

¹ GY: grazing group, GYS: concentrate supplement group. ² SEM: standard error of the mean.