Inclusion level of citrus pulp (%)

Roughage

Nutrient

Control

7

14

21

28

Hay 1

Hay 2

Dry matter

89.24

90.01

90.68

90.41

90.83

86.56

86.52

Calcium

0.31

0.32

0.36

0.55

0.73

Phosphorus

0.32

0.34

0.31

0.28

0.25

Ash

4.33

4.38

4.77

5.15

5.53

7.32

7.69

Crude protein

15.27

15.72

12.62

12.86

12.25

7.68

11.92

Crude fiber

5.02

5.78

5.80

6.05

6.97

32.5

34.32

Ether extract

3.76

3.89

3.50

2.92

2.78

1.03

0.87

Nitrogen-free extract

70.96

70.23

73.31

73.02

72.47

48.25

45.2

Neutral detergent fiber

15.92

15.86

15.62

15.47

16.44

79.8

78.23

Acid detergent fiber

12.43

12.89

12.87

12.55

12.7

41.79

54.5

Non-fibrous carbohydrates

60.72

60.15

63.49

63.60

63.00

4.00

1.29

Soluble carbohydrates

3.10

2.88

4.89

5.91

6.19

2.08

2.27

Hemicellulose

3.49

2.97

2.75

2.92

3.74

38.01

23.73

Energy (Mcal/kg)

3.51

3.51

3.46

3.40

3.33

1.92

1.74

Chemical composition and carbohydrate fractions of the experimental diets (roughage: concentrate ratio of 60:40)

Dry matter

86.98

87.10

87.21

87.16

87.22

Ash

6.21

6.23

6.39

6.54

6.69

Crude protein

11.73

11.91

10.67

10.77

10.53

Ether extract

2.08

2.14

1.98

1.75

1.69

Nitrogen-free extract

56.60

56.31

57.54

57.43

57.21

Neutral detergent fiber

53.87

53.85

53.75

53.69

54.08

Acid detergent fiber

33.10

33.28

33.27

33.14

33.20

Non-fibrous carbohydrates

26.04

25.81

27.15

27.19

26.95

Soluble carbohydrates

2.53

2.45

3.25

3.66

3.77

Hemicellulose

20.77

20.57

20.48

20.55

20.87

Energy (Mcal/kg)

2.51

2.51

2.49

2.47

2.44