Merck Manual

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Mean Nutrient Content of Feeds Commonly Used in Beef Cattle Diets a

Mean Nutrient Content of Feeds Commonly Used in Beef Cattle Diets a

Feedstuff

DE (Mcal/kg)

ME (Mcal/kg)

NEm (Mcal/kg)

NEg (Mcal/kg)

TDNs (%)

Crude Protein (%)

Crude Fiber (%)

Ash (%)

NDF (%)

ADF (%)

Ca (%)

P (%)

Dry Matter (%)

Alfalfa (Medicago sativa)

Fresh

2.73

2.24

1.38

0.80

62

18.9

26.5

10.5

47.1

36.8

1.29

0.26

23.4

Fresh, late vegetative

2.91

2.39

1.51

0.92

66

22.2

24.2

10.2

30.9

24.0

1.71

0.30

23.2

Fresh, full bloom

2.22

1.81

0.97

0.42

50

19.3

30.4

10.9

4.79

3.7

1.19

0.26

23.8

Hay

2.65

2.17

1.31

0.74

60

18.6

26.1

8.6

43.9

33.8

1.40

0.28

90.6

Hay, sun-cured, early bloom

2.65

2.17

1.31

0.74

60

19.9

28.5

9.2

39.3

31.9

1.63

0.21

90.5

Hay, sun-cured, mid bloom

2.56

2.10

1.24

0.68

58

18.7

28.0

8.5

47.1

36.7

1.37

0.22

91.0

Hay, sun-cured, full bloom

2.43

1.99

1.14

0.58

55

17.0

30.1

7.8

48.8

38.7

1.19

0.24

90.9

Silage

2.78

2.28

1.41

0.83

63

19.5

25.4

9.5

47.5

37.5

1.32

0.31

44.2

Barley (Hordeum vulgare)

Grain

3.84

3.03

2.06

1.40

88

13.2

3.37

2.4

18.1

5.8

0.05

0.35

88.1

Silage

2.65

2.17

1.31

0.74

60

11.9

2.92

8.3

56.8

33.9

0.52

0.29

37.1

Beet pulp, dried

3.26

2.68

1.76

1.14

74

9.8

20.0

5.3

44.6

27.5

0.68

0.10

91.0

Bermuda grass (Cynodon dactylon)

Fresh

2.82

2.31

1.44

0.86

64

12.6

28.4

8.1

73.3

36.8

0.49

0.27

30.3

Hay, sun-cured

2.16

1.77

0.93

0.39

49

7.8

2.7

76.6

38.3

8.0

93.0

Brewer’s grains, dried

2.39

2.39

1.51

0.91

66

29.2

7.8

4.18

48.7

31.2

0.29

0.70

90.2

Citrus pulp, dried

3.62

2.96

2.00

1.35

82

6.7

12.8

6.6

23.0

23.0

1.88

0.18

91.1

Corn (Zea mays indentata)

Distiller’s grains, dried

3.88

3.18

2.18

1.50

90

30.4

6.9

4.6

46.0

21.3

0.26

0.83

90.3

Gluten feed

3.53

2.89

1.94

1.30

80

23.8

7.5

6.9

36.2

12.7

0.07

0.95

90.0

Grain, cracked

3.92

3.25

2.24

1.55

90

9.8

2.3

1.5

10.8

3.3

0.03

0.32

90.0

Silage, well-eared

3.17

2.60

1.69

1.08

72

8.7

19.5

3.6

46.0

26.6

0.25

0.22

34.6

Cotton (Gossypium spp)

Seed

3.97

3.25

2.24

1.55

90

24.4

25.6

4.2

51.6

41.8

0.17

0.52

89.4

Meal

3.31

2.71

1.79

1.16

75

46.1

13.2

7.0

28.9

17.9

0.20

1.16

90.2

Molasses, cane

3.17

2.60

1.70

1.08

72

5.8

0.5

13.3

0.4

1.00

0.10

74.3

Oats

3.40

2.78

1.85

1.22

77

13.6

12.0

3.3

29.3

14.0

0.01

0.41

89.2

Sorghum (Sorghum bicolor), grain

3.62

2.96

2.00

1.35

82

12.6

2.76

1.9

16.1

6.4

0.04

0.34

90.0

Soybeans (Glycine max), meal

3.70

3.04

2.06

1.40

84

51.8

5.4

6.9

10.3

7.0

0.46

0.73

90.9

Wheat (Triticum aestivum)

Wheat bran

3.09

2.53

1.63

1.03

70

17.4

11.3

6.6

42.8

14.0

0.14

1.27

89

Fresh, early vegetative

3.22

2.64

1.73

1.11

73

27.4

17.4

13.3

46.2

28.4

0.42

0.40

22.2

a Dry-matter basis; DE, digestible energy; ME, metabolizable energy; NEm, net energy for maintenance; NEg, net energy for gain; TDNs, total digestible nutrients; NDF, neutral detergent fiber; ADF, acid detergent fiber.

Adapted, with permission, from Nutrient Requirements of Beef Cattle, 2000, National Academy of Sciences, National Academy Press, Washington, DC.