Locally in fish production, input include the following:
- The Cost of feeding,
- The cost of maintaining the water quality
- The cost of producing the fingerlings
- The cost of constructing the pond etc
In culturing catfish that feeds high in food chain, the cost of producing the feed is very high and not every farmer can afford to buy this feeds in a high cost and feed the fish very well. In marketing, consumers goes for cheaper fish.
In order to minimize the cost of input and maximize the output. Is very important to culture most of the fish that feed low in food chain, china as a case of study mainly culture fishes like Tilapia, grass carp, Heterotis and silva catfish. They to tend to produce more of the fish that feeds low in food chain
than those that feeds high in the food chain and thereby reduce the level at which they spend money on feeds.
Most harbivorouse fishes such as tilapia, grass carp, silver catfish, heterotis etc. Feeds low in on the food chain than carnivorous fishes such as catfish. They feed on algae and other and other phytoplanktons and grow faster.
Another way of minimizing cost of input is by producing fish feed instead of buying from the market, a farmer can formulate his/her own feed in a very cheeper rate than buying from the market. Kingsway Agro Services has done and formulted a floating local fish feed without extruding machine and our E-books are availabe.
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