Apparent Densities of Dry Feed Ingredients
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Description

lb/ft3

Angle of Repose

Coefficient of Friction

ALFALFA PRODUCTS

Alfalfa meal, dehydrated, 13%

16-18

45

0.6

Alfalfa meal, dehydrated, 17%

18-22

45

0.6

Alfalfa meal, sun cured, 13%

14

45

0.7

Alfalfa leaf meal

14.5

45

0.6

Alfalfa stem meal

12

45

0.9

Alfalfa pellets, 13%

41-43

30

0.46

Alfalfa pellets, 17%

41-43

30

0.46

Alfalfa seed

48

21

0.5

ANIMAL PRODUCTS

Blood meal

38.5

45

1.7

Blood flour

30

0.6

Meat meal

37

45

0.9

Tankage (digester)

49

45

0.9

Poultry by-prod. meal

34-37

35

0.6

Bone meal

50-60

40

1.7

BARLEY PRODUCTS

Barley, rolled

21-24

45

0.58

Barley, scoured

41

30

0.4

Barley, whole

38-43

Barley, ground

24-26

40

0.4

Barley, malt

30-31

BREWERS PRODUCTS

Brewers dried grains

14-15

Brewers grains, spent, dry

25-30

45

0.44

Brewers grains, spent, wet

55-60

50

0.6

Hops,spent,dry

35

Malt, wet

60-65

45

0.4

Malt, dry

27-32

35

0.4

Malt meal

36-40

85

0.4

Malt sprouts

13-16

0.5

CITRUS PRODUCTS

lb/ft3

Angle of Repose

Coefficient of Friction

Dried citrus pulp

20.5

45

1

CORN PRODUCTS

Corn, whole, shelled

45

Corn, ground

34-36

35

0.8

Corn meal

38-40

85

0.4

Corn bran

13

80-45

0.5

Corn feed meal

33.5

30

0.7

Corn chops (fine)

36-39

Corn chops (medium)

38-42

Corn chops (coarse)

40-44

Corn grits (fine)

40-43

Corn gluten feed

26-33

0.67

Corn gluten meal

32-43

30-40

0.6

Corn oil meal

33-36

Corn germ meal

35

0.7

Hominy feed

25-28

0.4

Kibbled corn

20-22

Ear corn chops

35

Ear corn

28

Ground cobs

17

Pop corn, ear   

0.28

Pop corn, shelled

44-45

28

0.374

OAT PRODUCTS

Oats, crushed

22

Oats, crimped

19-25

35

0.5

Oats, whole

25-35

Oats, rolled

19-24

Feed oatmeal

16-32

40

0.4

PEANUT PRODUCTS

Peanuts, unshelled

17-24

40

0.6

Peanuts, shelled

15-19

30

0.4

Peanut meal

29

RICE PRODUCTS

lb/ft3

Angle of Repose

Coefficient of Friction

Rice bran

20-21

45

0.4

Rice hulls

20-21

45

0.4

Rice, hulled

45-49

35

0.364

Rice, grits

42-45

40

0.4

Rice, rough

32-36

40

0.4

Rice, polished

30

30

0.35

RYE PRODUCTS

Rye bran

15-20

30-45

0.8

Rye feed

33

Rye middlings

42

28

0.5

Rye shorts

32-33

Rye, whole

43-45

28

0.4

SCREENINGS

Grain screenings

30

30

0.4

Chaff and dust

20

40

0.8

Dust

11

35

0.5

SOYBEAN PRODUCTS

Soybeans, whole

46-48

Soybeans, ground

25-34

Soybean millfeed

25-27

40

0.5

Soybean hulls, unground

6-7

45

0.9

Soybean hulls, ground

20

40

0.8

Soybean millfeed pellets

37-38

35

0.6

Sol. ext. soybean oil meal, 41%

34-36

35

0.5

Sol. ext. soybean oil meal, 44%

35-38

35

0.5

Sol. ext. soybean oil meal, 50%

41-42

32-37

0.5

Expeller soybean oil meal

36-40

35

0.5

VITAMINS

lb/ft3

Angle of Repose

Coefficient of Friction

Riboflavin

37

Vitamin A, dry

48

WHEAT PRODUCTS

Wheat bran

11-16

30-45

0.4

Wheat middlings

18-25

28

0.4

Wheat red dog

22-28

28

0.4

Wheat germ meal

28-32

30

0.4

Wheat, whole

45-52

Wheat, ground

38-39

40

0.7

Wheat, fine cracked

38-41

35-40

0.4

Wheat, coarse cracked

35-38

Wheat, flakes

31-33

40

0.6

Wheat, flour

32-42

40

0.6

Wheat screenings

17-25

40

0.8

COTTONSEED PRODUCTS

Cottonseed oil meal

37-40

35

0.4

Cottonseed cake

40-45

Cottonseed meats

40

40

0.6

Cottonseed cake, cracked

41

45

1

Cottonseed hulls

12

43

0.9

Cottonseed w/Iint

18-25

45

0.8

Cottonseed, delinted

25-35

30

0.9

DISTILLERS PRODUCTS

Corn distillers dried grains

18-19

Corn distillers dried solubles

25-26

GRAIN SOROHUMS

Kafir

40-46

21

0.4

Sorghum, seed

32-35

Milo, ground

32-36

40

0.4

LINSEED AND FLAX PRODUCTS

lb/ft3

Angle of Repose

Coefficient of Friction

Linseed oil cake

45-50

45

0.6

Linseed oil meal (sol. ext.)

31-33

34

0.7

Linseed feed

20-21

45

0.5

Flaxseed screenings

26-28

45

0.7

Flaxseed

43-45

25

0.339

MARINE PRODUCTS

Fish meal

30-40

45

0.9

Shrimp meal

25

45

o.g

MILK PRODUCTS

Dried whole whey

35-46

50

0.4

Condensed buttermilk

31

Powdered milk

20

50

0.4

MINERAL FEED

Bentonite

50-60

45

0.7

Calcium Carbonate

75

1

Cobalt Sulphate

48

Copper Sulphate

62

0.6

Deflourinated Phosphate

97

1.7

Dicalcium Phosphate

60-75

Ferrous Carbonate

85-90

Limestone

68

38

1

Oyster shells, ground under 1/2"

53

40

0.9

Phosphate, tricalcium

21

Potassium Iodide

22

Salt, coarse

45-50

30

1.4

Salt, fine

70-80

45

1

Sodium Bentonite

41

50

1.2

Sulphur

13

Zinc Sulphate

85-88

OAT PRODUCTS

Oat hulls, unground

8-9

45

1

Oat hulls, ground

11-12

45

0.8

Oat middlings

38

28

0.4

Oat chops

30

Oats, ground

20-25

40

0.4

Oats, pulverized

19-21

40

0.5

YEAST

lb/ft3

Angle of Repose

Coefficient of Friction

Dried yeast

41 657

MISCELLANEOUS PRODUCTS

Bagasse

7-10

Buckwheat, whole

37-42

25

0.46

Buckwheat bran

15-16

30-45

0.5

Buckwheat hulls

12-13

Buckwheat middlings

22

Copra oil meal

27

Copra oil cake

23

Corn and oats chops

17-18

Corn sugar (dextrose)

32

Dried beet pulp

11-16

50

0.6

Egg powder

16

Hay, loose

5

45

0.8

Hay, pressed

8

Millet

38-40

21

0.4

Molasses feed

20-25

45

1

Sesame

37

25

0.4

Sugar

54-56

45

0.7

Sunflower seed

26-38

Urea

34-42

30

1

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