Item

S

H

SEM

Significance

C

I

C

I

F

I

F × I

Fermentation quality

pH

5.56

4.33

5.13

4.24

0.17

**

**

NS

Lactic acid (g∙kg−1 DM)

2.0

52.9

1.9

55.5

7.24

NS

**

NS

Acetic acid (g∙kg−1 DM)

21.7

7.1

19.7

7.4

2.24

NS

**

NS

Propionic acid (g∙kg−1 DM)

14.2

0.2

15.4

0.3

2.24

NS

**

NS

Butyric acid (g∙kg−1 DM)

23.0

0.8

29.3

1.1

4.25

NS

**

NS

NH3-N (g∙kg−1 TN)

174.6

57.8

209.4

48.5

2.14

**

**

**

V-score

51.4

97.0

46.9

96.9

7.43

NS

**

NS

Chemical composition

DM (g∙kg−1)

188

222

181

218

5.7

NS

**

NS

OM (g∙kg−1 DM)

924

934

913

922

2.4

**

**

NS

CP (g∙kg−1 DM)

132

127

113

142

3.3

*

*

**

EE (g∙kg−1 DM)

49

41

45

44

1.0

NS

*

*

ADF (g∙kg−1 DM)

423

394

430

390

5.5

NS

**

NS

NDF (g∙kg−1 DM)

666

683

680

665

4.0

NS

NS

NS

K (g∙kg−1 DM)

31.4

26.2

34.6

29.8

0.98

*

*

NS

Ca(g∙kg−1 DM)

1.7

1.0

1.4

1.5

0.08

*

*

**

Mg (g∙kg−1 DM)

0.9

0.7

0.8

0.7

0.02

**

**

**

GE (MJ∙kg−1 DM)

19.8

19.2

19.3

19.1

0.09

NS

NS

NS