Table 1.  General specifications for cassava flour, starch, chips, and pellets.

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Component                    Flour                  Starch                   Chips                  Pellets

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Moisture (max.)               12-14%              12-14%                 12-14%              12-14%

Starch  (min.)                   70 %                   80%                       70 %                   68-70%

Sand (max.)                     2%                      2%                         3%                      3%

Fibre (max.)                    3%                      1%                         3-5%                  3-5%

Ash (max.)                      3%                      1%                         3%                      3%

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Source: Buitrago et al.(2002).

 

 

Table 2. Specifications of cassava chips for export to European Community

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Parameter                                                                            Chips                 

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Moisture (max.)                                                                     10-14%

Starch (min.)                                                                          70-82%

Total ash (max.)                                                                     1.8-3.0%

Crude Fibre (max)                                                                 2.1-5.0%           

Sand and other extraneous matter (max.)                                3%

Cyanide (max.)                                                                      100 mg /kg

Dimensions (max. in cm)                                                        Length 4-5cm, thickness 1.5cm

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Table 3. Nutritional composition of a cassava flour (82%) and soybean (18%) mixture.

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Nutrients                                        Cassava flour (82%)+         Commercial maize

                                                                                                (Whole soybean 12%)

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Protein                                           9                                        8.5

Fat                                                 3.5                                     3.6

Fiber                                              3.9                                     2.8

Ash                                                3.6                                     2.1

Calcium                                          0.29                                   0.04

Average phosphorus                       0.09                                   0.08

Lysine                                            0.46                                   0.26

Methionine                                     0.12                                   0.18

Methionine+cystine                         0.24                                   0.35

Threonine                                       0.28                                   0.29

Tryptophan                                     0.1                                     0.07

Arginine                                          0.51                                   0.40

Linolenic acid                                 1.7                                     2.1

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Source: Buitrago et al.( 2002).

 

 

Table 4.  An example of a complete ration for broilers based on cassava products and soybean.

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Ingredients %                              Starter                                                Finisher

                                                Roots     Roots & foliage                Roots      Roots & foliage  

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Cassava roots flour                     45.7              40.4                          49.8              46.0

Cassava foliage flour                        -                6.0                                -                6.0

Soybean (toasted)                        3.0              30.0                          41.6              45.1

Soybean meal                             18.7              16.4                            5.2                    -

Palm oil                                        2.9                4.5                                -                0.3

DI-methionine                             0.29              0.29                          0.23              0.23

Dicalcium phosphate                   1.52              1.52                          1.52                1.5

Calcium carbonate                      0.38              0.38                          0.38              0.32

Salt                                              0.3                0.3                            0.3                0.3

Vitamins/minerals                          0.1                0.1                            0.1                0.1

Anticoccidal and additives

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Source: Buitrago et al. 2002.

 

Table 5.  Nutritional composition of diets for broilers based on cassava and soybean.

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     Ingredients                                         Starter                                          Finisher

                                                  Roots          Roots and foliage         Roots       Roots and foliage

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Metabolizable energy, mcal/kg          3.22              3.22                       3.18              3.18

Protein, %                                      22.00            22.00                     20.00            20.00

Methionine, %                                  0.59              0.59                       0.49              0.49

Methionine +cystine                          0.90              0.90                       0.78              0.78

Lysine, %                                         1.26              1.26                       1.12              1.12

Linolenic acid, %                              3.41              3.56                       3.60              3.85

Calcium, %                                       0.91              0.91                       0.96              0.90

Average phosphorus,  %                   0.42              0.42                       0.40              0.40                    

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Source: Buitrago et al. 2002.

 

 


 

Table 6.  Cassava feed supplement for sheep fattening and catfish.

 

Ingredients

Cassava feed for sheep fattening

Cassava-based feeds for fish (catfish) – pellets

 

Cassava peels

15

 

Cassava flour

 

12

Cassava leaves

5

3

Corn offal

20

 

Palm oil

 

2

Soybean meal

 

20

Fish meal (65%)

 

20

Palm kernel cake

30

 

Groundnut cake

3

14.5

Poultry droppings

25

 

Bone meal

1

1

Blood meal

 

25

Oyster shell

 

1

Vitamin C

 

1

Bicalcium phosphate

 

0.4

Salt

1

0.5

Premix

0.25

0.5

Methionine

0.10

 

 

 

 

Source: Tewe (2003).