. 2021 Jun 18;9:e11520. doi: 10.7717/peerj.11520

Table 3. The alpha diversity indices of yak supplemented with oat hays and concentrate during the cold season.

Item	Treatments			SEM	P-value
	GG	OG	CG
Shannon	9.22^a	7.96^b	8.34^a	0.183	0.008
Simpson	0.99	0.96	0.97	0.0072	0.21
chao1	2682.89^a	2067.27^b	2658.97^a	89.844	0.002
ACE	2779.28^a	2142.96^b	2767.94^a	93.522	0.002

Notes.

Values are presented as mean ± SEM. Means in a row with different small letter superscripts differ significantly (P < 0.05), same letter superscripts present no difference (P > 0.05).

GG: grazing group
OG: oats hay supplement group
CG: concentrate supplement group