Evaluation of Holstein cows with different tongue-rolling frequencies: stress immunity, rumen environment and general behavioural activity

Table 6 α diversity indicators of dairy cows' rumen bacteria

Items	Experimental treatments¹				SEM²	P-value
Items	HT	MT	LT	CON	SEM²	P-value
OTUs	1,549.167	1,452.667	1,492.600	1,363.333	87.511	0.226
Chao1	1,845.363	1,746.976	1,792.381	1,663.072	96.754	0.316
ACE	0.009	0.012	0.010	0.012	0.002	0.477
Shannon	5.765	5.587	5.680	5.591	0.135	0.523
Simpson	0.009	0.011	0.010	0.012	0.002	0.114
Good’s coverage	1,863.024	1,773.607	1,818.990	1,669.978	92.717	0.228

¹HT High frequency tongue rolling cows, MT Medium frequency tongue rolling cows, LT Low frequency tongue rolling cows, CON Control cows, no abnormal oral behaviour
²SEM Standard error of the mean

ISSN: 2049-1891