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Annex C: Proximate analysis of browse, bark and pods of various Acacia species (Dougal et al., 1964; Ghöl, 1981)

 

Species

As % of dry matter

Digestibility (%)


DM

CP

CF

Ash

EE

NFE

Ca

P

Animal

CP

CF

EE

NFE

ME

A. brevispica















New browse, November, Kenya

-

26.1

24.5

6.0

2.0

41.5

0.71

0.35







Young browse, November, Kenya

-

17.2

29.9

5.6

2.5

4.90

1.09

0.17







Young browse, December, Kenya

-

17.1

27.3

8.2

2.5

45.0

1.72

0.18







Leaves, early fruiting stage, August, Kenya

-

18.8

18.0

6.5

5.7

51.0

1.86

0.31







Pods, early fruiting stage, August, Kenya

-

17.5

24.0

4.6

1.1

52.8

0.46

0.27







A. drepanolobium















Shoots and leaves, November, Kenya

-

15.4

29.8

5.5

2.3

47.0

1.09

0.18







A. elatior















Bark, December, Kenya,

-

6.7

36.9

8.5

1.2

46.7

2.51

0.03







Leaves, December, Kenya

-

13.2

33.0

7.4

3.3

43.1

1.84

0.12







A. erioloba















Pods, Zimbabwe

91.6

13.8

32.9

3.6

1.7

48.0

0.71

0.11







Pods, young









Sheep

59.6

49.7

58.9

62.8

2.11

Pods, mature, S. Africa


13.6

35.7

3.7

1.9

45.1

0.55

0.08

Sheep

55.7

28.9

79.7

70.0

1.96

Pod husks, S. Africa

-

9.2

31.6

7.3

1.0

50.7

-

-







A. galpinii















Pods, South Africa

91.2

12.7

26.3

3.8

5.4

51.8

-

-







A. gerardii















Bark, February, Kenya

-

3.9

29.8

10.9

0.7

54.8

4.04

0.30







Young browse, February, Kenya

-

17.7

24.2

6.0

1.6

50.5

0.63

0.25







Fallen pods, Mozambique

90.1

20.9

27.4

5.1

1.3

45.3

-

-







 

Species

As % of dry matter

Digestibility (%)


DM

CP

CF

Ash

EE

NFE

Ca

P

Animal

CP

CF

EE

NFE

ME

A. tortillis susp. raddiana















Fresh leaves, Niger


17.9

17.2

7.7

4.7

52.5

1.55

0.21







Young branches, Niger

32.5

16.2

28.2

6.0

2.4

47.2

1.02

0.19







Green pods, Niger

31.0

14.1

21.8

6.8

1.5

55.8

0.72

0.25







Fallen pods, Niger

90.1

17.5

20.4

6.2

1.8

54.1

0.90

0.26







A. tortillis subsp. spirocarpa















Bark, March, Kenya

-

5.9

48.6

14.6

1.4

29.7

5.68

0.02







Fresh leaves, Sudan

90.9

13.3

9.4

9.6

8.3

59.4

4.00

0.15







Browse, November, Kenya

-

6.5

34.1

8.8

2.8

47.8

3.14

0.13







Pods, January, Kenya

-

17.8

17.5

8.4

1.7

54.6

1.34

0.36







Pods, Tanzania

-

12.3

22.4

5.6

1.8

57.9

0.98

0.24

Cattle

46.2

42.0

74.0

76.6

2.30

A. xanthophloea















Bark, November, Kenya

-

4.6

30.4

12.3

1.1

51.6

4.07

0.04







Leaves, November, Kenya

-

16.0

18.0

8.2

2.0

55.8

0.98

0.15







Faidherbia albida















Fresh, flowers, Sudan

17.8

19.0

12.5

9.7

1.6

57.2

-

-







Fresh, whole leaves, Niger

-

19.7

19.6

7.2

1.6

51.9

1.00

0.23







Fresh, leaflets, Sudan

36.3

17.1

12.4

8.4

2.3

59.8

-

-







Pods, Tanzania

-

8.8

24.4

3.7

1.4

61.7

0.65

0.23

Cattle

51.0

16.5

71.4

74.8

2.09

Pods, Niger

-

14.3

24.7

6.3

1.5

53.2

1.11

0.14







DM = dry matter, CP = crude protein, CF = crude fibre, EE = ether extract (oils and fats, fatty acids, resins, chlorophyll, etc.), NFE = nitrogen free extract, ME = metabolizable energy (Mkal/kg).

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