. 2016 Jan;80(1):60–65.

Table II.

Mean values ± standard deviation (SD) of ruminal fluid parameters divided into groups (treated group, control group) in different periods (T1, T8, and T15)

	Time 1		Time 8		Time 15

	Control	Treated	Control	Treated	Control	Treated
Ruminal pH	5.83 ± 0.09	5.81 ± 0.09	5.89 ± 0.09^a	6.02 ± 0.09^b	5.94 ± 0.09	5.96 ± 0.09
Acetic acid (mg/mL)	3.19 ± 0.11	3.01 ± 0.11	3.18 ± 0.11^a	2.86 ± 0.11^b	2.76 ± 0.11	2.80 ± 0.11
Propionic acid (mg/mL)	1.37 ± 0.09	1.22 ± 0.09	1.45 ± 0.09^a	1.24 ± 0.09^b	1.54 ± 0.09	1.40 ± 0.09
iso-butyric acid (mg/mL)	0.07 ± 0.01	0.04 ± 0.01	0.04 ± 0.01	0.05 ± 0.01	0.11 ± 0.01^a	0.05 ± 0.01^b
n-butyric acid (mg/mL)	0.93 ± 0.06	0.78 ± 0.06	0.96 ± 0.06	0.84 ± 0.06	1.05 ± 0.06	1.04 ± 0.06
iso-valeric acid (mg/mL)	0.07 ± 0.01	0.04 ± 0.01	0.12 ± 0.01	0.09 ± 0.01	0.14 ± 0.01^a	0.09 ± 0.01^b
n-valeric acid (mg/mL)	0.10 ± 0.01	0.09 ± 0.01	0.06 ± 0.01^a	0.04 ± 0.01^b	0.11 ± 0.01^a	0.08 ± 0.01^b
Total VFA (mg/mL)	5.64 ± 0.20	5.37 ± 0.20	5.84 ± 0.20^a	5.13 ± 0.20^b	5.68 ± 0.20	5.60 ± 0.20
Acetic/propionic ratio	2.38 ± 0.02	2.40 ± 0.02	2.23 ± 0.02^a	2.47 ± 0.02^b	2.13 ± 0.02	2.24 ± 0.02

^a,b

Different letters on the same line indicate statistically significant differences (P < 0.05) in the same period between the 2 groups.