Most fish farmers purchase fish feed from commercial manufacturers. However, it is critical to note that medicating sick fish, brood fish conditioning, feeding juvenile or larval fish, and maintaining aquarium fishes can be a daunting challenge. In fact, commercial manufacturers may not readily manufacture specialized fish because it is not economical, considering the type and size of machines they use. In this regard, typical manufacturers package fish feed in 50-pound bags and manufacture one ton or more of these products. On the other hand, technicians, hobbyists, and small scale farmers buying these feeds in large quantities is considered a waste. On a positive note, floating fish feed can be manufactured in the laboratory, at home, or in a classroom. A dry type fish feed machine is used for producing high-quality floating fish feed for a wide range of uses.The final product is usually smooth in texture, excellent in shape, high in nutrition, and uniquely tasting. The fish feed machine has an adjustment for extrusion feed to adjust the time it will float in water.
Raw Materials for Fish Feed
A fish feed machine uses the following raw materials to make floating fish feed:
> Bone powder: it contains a magnesium: calcium ratio of 1:2 and is essential in manufacturing fish bone.> Cotton seeds: they consist of about 54 percent ideal and form supplementary fish feed.> Fish powder: it consists of about 60 percent protein and is easily digested by fish.> Innards: they contain 52 percent protein and are ideal for feeding catfish.> Maize: it is rich in fats, protein, carbohydrates, and vitamins A and E; hence, it is a commonly used feed raw material.> Mustard cake: it contains high-rate fat and about 30 percent protein and makes up about 20 percent of floating fish feed.> Rice dust: it contains enzymes, vitamins B-1, B-2, and B-6, and about 15 percent protein.> Wheat chaff: this material is rich in fiber and necessary in controlling fish diseases.
Production of Fish Feed
a. Turn on the fish feed machine.b. Ensure the raw material is put into the fish feed machine.c. Do not heat the outside of the machine because heat is produced from the rotary process in the airtight system. As such, the raw material’s fiber and starch begin to swell as a result of high temperatures in the ripening process.d. The shaping mold forms pellets in the pressure-tight environment of the machine.e. The rotating screw shrinks the finished product into small round balls of required diameter.
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