Lovastatin-Enriched Rice Straw Enhances Biomass Quality and Suppresses Ruminal Methanogenesis

Table 3

Effect of fermented rice straw (FRSE) on VFA production (mmol), pH and IVDMD (%).

	Ethanol; (control)	FRSE (10 mg)	FRSE; (20 mg)	Significant
Acetate	36.09 ± 0.43^b	38.67 ± 1.34^a	38.65 ± 0.94^a	**
Propionate	13.98 ± 0.42^ab	14.19 ± 0.47^a	13.55 ± 0.29^b	*
Isobutyrate	0.75 ± 0 .01^a	0.72 ± 0.01^b	0.72 ± 0.01^b	**
Butyrate	3.78 ± 0.12^b	4.09 ± 0.07^a	4.20 ± 0.06^a	**
Isovalerate	1.61 ± 0.04^a	1.51 ± 0.03^b	1.49 ± 0.03^b	**
Valerate	0.49±0.01	0.51±0.01	0.52±0.01	**
Total	56.70 ± 0.69^b	59.69 ± 1.62^a	59.12 ± 1.12^a	**
A/P	2.58 ± 0.09^c	2.73 ± 0.10^b	2.85 ± 0.07^a	**
GP/VFA	1.31 ± 0.045^a	1.19 ± 0.028^b	1.13 ± 0.026^c	**
CH4/VFA	0.14 ± 0.011^a	0.12 ± 0.010^b	0.10 ± 0.005^c	**
pH	6.95±0.01	6.97±0.01	6.94±0.03	NS
IVDMD	46.81±0.84	46.36±1.33	46.62±1.47	NS

Data are mean ± SD.
NS: not significantly different.
*Significantly different at 5% level.
**Significantly different at 1% level.
a, b, and c: indicating means within row differed significantly.