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Dry Matter, Energy, Crude Protein, Fiber, and Non-Fiber Carbohydrate Concentrations of Some Feedstuffs Commonly Fed to Dairy Cattle a

Dry Matter, Energy, Crude Protein, Fiber, and Non-Fiber Carbohydrate Concentrations of Some Feedstuffs Commonly Fed to Dairy Cattle a

Dry Matter (%)

Metabolizable Energy (Mcal/kg)

Net Energy for Lactation (Mcal/kg)

Net Energy for Maintenance (Mcal/kg)

Net Energy for Gain (Mcal/kg)

Neutral Detergent Fiber (%)

Non-fiber Carbohydrate (%)

Crude Protein (%)

Ground shell corn

88

3.12

2.01

2.16

1.48

9.5

75.47

9.4

Corn silage

35

2.33

1.45

1.57

0.97

45

40

8.8

Pasture

20

2.46

1.54

1.67

1.06

45.8

19.6

26

Hay (cool-season grasses)

84

2.02

1.23

1.33

0.75

58

21.6

13

Hay crop silage (cool-season grasses)

42

1.92

1.16

1.25

0.68

58

18.2

17

Grass-legume mix hay

85

2.07

1.25

1.35

0.77

50.8

23.8

18.4

Grass-legume mix hay crop silage

44

1.96

1.23

1.32

0.74

50.4

21.5

19

Legume hay

84

2.09

1.28

1.38

0.8

43

27.3

20.8

Legume hay crop silage

43

2.01

1.22

1.32

0.74

43

25.1

22

Oats (rolled)

90

2.78

1.77

1.9

1.26

30

50.2

13.2

Sorghum silage

29

1.85

1.11

1.18

0.62

61

21.9

9.1

Soybean meal (solvent extracted, 44% CP)

89

3.31

2.13

2.29

1.59

15

27.6

49.9

Cotton seeds

90

2.91

1.94

1.96

1.31

50.3

5.1

23.5

Dried distillers grains with solubles

90

3.03

1.97

2.07

1.41

39

24.4

30

Corn and cob meal

89.2

2.91

1.86

2

1.35

21.5

65.2

8.6

a Reprinted with permission from the National Academies Press, copyright 2001, National Academy of Sciences. Energy values are estimated based on a consumption rate 3 times the rate of consumption at maintenance. These are representative values intended primarily for relative comparison among feeds. Analyzed values of actual feed samples will vary substantially, especially among forages.