BMC Microbiology

Table 1 Effects of the alpine meadow in different phenological periods on the rumen fermentation paraments

From: Effects of the alpine meadow in different phenological periods on rumen fermentation and gastrointestinal tract bacteria community in grazing yak on the Qinghai-Tibetan Plateau

	RP	GP	HP	SEM¹	P-value
TVFA², mmol/L	100.97^a	122.39^a	62.09^b	8.924	0.006
Acetate, %	71.15^b	74.96^a	71.54^b	0.639	0.014
Propionate, %	12.93	13.50	13.49	0.187	0.403
Isobutyrate, %	1.61^b	1.48^b	2.16^a	0.121	0.031
Butyrate, %	11.18^a	6.70^b	7.80^b	0.519	< 0.001
Isovalerate, %	2.06^b	2.44^b	3.78^a	0.272	0.014
Valerate, %	1.07^b	0.92^b	1.23^a	0.056	0.062
A:P³	5.52	5.57	5.32	0.086	0.473

¹SEM, standard error of the mean; ²TVFA, total of volatile fatty acids; ³A:P, the ratio of acetate to propionate. a − c means within a row with different subscripts differ when p-value < 0.05

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