What are the advantages of composite fish culture class 9 in points?

An advantage of composite fish culture is that it increases the yield of fish. In a composite fish culture, five or six different species are grown together in a single fish pond. Fishes with different food habitats are chosen so that they do not compete for food among themselves.

What is advantage of composite fish culture?

An advantage of composite fish culture is that it increases the yield of fish. Nearly, five or six different species are grown together in a single fish pond. The survival rate of fish increases and their yield also increases without affecting the other species.

What are advantages of fish culture?

Advantages of Fish Farming

The farmed fish provides high quality protein for human consumption. Fish farming can be integrated into the existing farm to create additional income and improve its water management. The farmers can select the fish species with desired characteristics to raise.

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What are advantages and disadvantages of composite fish culture?

1) Various species of fishes are cultured altogether. 2) Ensures complete utilization of food in pond. 3) Increase in fish yield.

What are the advantages of composite fish culture state one demerit with composite fish culture system How is this problem overcome?

One major demerit with the composite fish culture is that many of these fishes breed only during monsoon, thus there will be mixing of eggs/fish seed with different species. The major problem in fish farming is the lack of availability of good quality seeds.

What are the advantages of composites?

Composites offer many benefits. Key among them are strength, light weight, corrosion resistance, design flexibility and durability.

What is a composite fish culture?

Composite fish culture is a most popular technique to obtain maximum yield of fish from a pond/reservoir. The technology involves employment of compatible and non-competing fish culture through utilisation of different feeding zones of the pond or reservoir, resulting maximum production of fish per unit area of water.

What are the disadvantages of composite fish culture?

Some fishes rear only during monsoon. Difficulty in recognising which seed belongs to which of the species. Lack of availability of good quality seeds. To breed fishes using hormonal stimulation.

Why is composite fish culture better than monoculture or single fish culture explain?

Composite fish culture is undoubtedly more superior over monoculture. In composite fish culture, the above problems will not be found. Six varieties of fishes utilize food of all niches of the pond, get good amount of food, grow well without any competition and the yield is also very high.

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What is composite fish culture what are its disadvantages?

The disadvantages of composite fish culture are: *Some fishes rear only during monsoon. •Difficulty in recognising which seed belongs to which of the species. •Lack of availability of good quality seeds. Biology.

Which fishes are commonly used in composite fish culture?

Answer : The names of six fishes used in composite fish culture in India are catla,rohu,mrigal,common carp and grass carp.

What is composite fish culture write about the two ways of obtaining fish?

Ans: Fish can be obtained by following two ways: Capture fishing: It involves obtaining fish from natural resources. Culture fishery: It involves fish farming. Farming can be done in both freshwater and marine ecosystem.