CG

AL

AM

AH

SEM

P-value

Rumen pH

6.78

6.94

6.74

6.82

0.07

0.79

VFA (mmol/l)

Total VFA

85.14

87.59

86.34

85.46

4.34

1.00

Acetic

49.81

49.82

51.12

51.28

3.35

0.10

Propionic

19.61

18.90

18.41

18.38

0.60

0.92

Propionic acid ratio

2.99

3.15

3.27

3.27

0.06

0.22

Butyrate

8.23

8.17

8.17

8.25

0.28

1.00

Isobutyric

0.55

0.59

0.56

0.58

0.03

0.96

Valerate

0.92

1.05

1.09

1.07

0.07

0.88

Isovaleric

1.17

1.35

1.33

1.31

0.08

0.90