Item

CG

AL

AM

AH

SEM

P-value

Nutrient intake (kg/d)

DM

20.84^b

21.57^a

20.81^b

21.76^a

0.14

0.02

OM

20.05^ab

20.88^a

19.76^c

20.04^bc

0.14

0.01

CP

3.33^b

3.60^a

3.37^b

3.63^a

0.03

<0.01

NDF

7.62^b

8.27^a

7.86^b

8.40^a

0.08

<0.01

ADF

3.36^c

3.71^b

3.77^b

4.04^a

0.04

<0.01

Apparent digestibility (%)

DM

59.49^ab

63.15^a

59.45^a

55.04^b

1.27

0.19

OM

61.35^ab

64.95^a

62.18^a

57.83^b

0.76

0.01

CP

67.12^a

66.31^a

63.22^a

58.85^b

0.83

<0.01

NDF

49.76

50.67

48.03

45.49

0.83

0.13

ADF

38.72

39.64

40.02

37.10

1.17

0.90