Table 2

The concentrations of volatile fatty acids from yak and cattle rumen samples
Volatile fatty acids Yak (mmol/L) Cattle (mmol/L) Standard error Significance
Acetate 58.56 42.57 3.18 p < 0.004
Propionate 12.13 7.35 0.93 p < 0.001
Isobutyric 0.88 0.60 0.06 p < 0.016
Butyrate 9.03 7.25 0.49 p < 0.09
Isovaleric 1.02 0.51 0.12 p < 0.027
Valeric 0.07 0.13 0.06 p < 0.728
Total volatile fatty acids 81.69 58.41 4.61 p < 0.001
A/P (Acetate to Propionate) 4.83 5.80 0.19 p < 0.004

* Concentrations of volatile fatty acids was analysed by gas chromatograph equipped with a DB-FFAP column (30 m × 0.25 μm × 0.25 μm; Agilent Technologies).

Huang et al.

Huang et al. BMC Microbiology 2012 12:237   doi:10.1186/1471-2180-12-237

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