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

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