Treatment

A

B

C

SEM

P-value

Item

Period

Confined

Grazing

Grazing

n

8

8

8

OM

1

91

89

93.1

0.54

2

89.9

89.1

92

0.42

Mean

90.4^b

92.5^a

89.0^c

0.35

0.01

CP

1

15.7

10.1

17.2

0.25

2

14.9

10.6

18

0.26

Mean

15.3^b

10.4^c

17.6^a

0.16

0.001

NDF

1

59.1

69.8

59.8

0.51

2

59.1

67.6

58.9

0.58

Mean

59.1^b

68.7^a

59.3^b

0.53

0.01

ADF

1

34.7

34.6

42.4

0.48

2

33.8

30.6

41

0.42

Mean

34.2^b

32.6^c

41.7^a

0.47

0.001

Lignin

1

6.7

9.6

23.7

0.16

2

6.8

7.9

21.9

0.15

Mean

6.8^c

8.7^b

22.8^a

0.23

0.001

Cellulose

1

27.2

24.7

18.6

0.17

2

26.2

22.5

19.2

0.38

Mean

26.7^a

23.6^b

18.9^c

0.36

0.001

ADL

1

4.1

1.78

15.2

0.53

2

6.8

3.73

15.8

1.68

Mean

5.5^b

2.8^c

15.5^a

0.43

0.01

AIA

1

0.5

1.6

0.3

0.05

2

0.8

1

0.3

0.02

Mean

0.6^b

1.3^a

0.3^c

0.03

0.001

IVOMD^*

1

94.5

59.9

55.7

1.66

2

74.8

57.5

67.4

4.56

Mean

84.6^a

58.7^b

61.5^b

2.39

0.01