how to make floating fish pellets,making floating fish feed and pet food

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Materials for Fish Feed in Kenya

1. Feed Ingredients
Fish feed is formulated by mixing several raw materials to make a balanced diet. These ingredients are crushed separately and later mixed to ratios before extrusion. The most commonly utilized feed ingredients in Kenya include: wheat or rice bran, sunflower or cottonseed cake, cassava, freshwater shrimp and etc..
Proximate analysis of some commonly used fish feed ingredients

Ingredients
% Nutrient Concentration
Dry matter
Crude protein
Lipid
Nitrogen free extracts
Crude fibre
Ash
Cotton seed cake
93.0
35.9
6.7
44.5
7.1
5.8
Sunflower cake
94.0
21-25
5.5
29.2
39.6
5.0
Wheat bran
14-18
6.5
59.5
16.0
4.0
Maize bran
93.0
10-15
4.4
70.8
11.6
3.2

2. Proportion of Materials in Feed Production

Ingredients
Proportion
Cottonseed cake
 37%
Wheat bran
57%
Freshwater shrimp
6%
Vitamin mix
Minimal

Note: other easily prepared and economical formulas are as follows:
Mixture of 76% rice bran and 24% fish meal
Mixture of dried freshwater shrimp and maize bran, sometimes with some omena meal added