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 composite fish culture and what are their advantages and disadvantages?
Composite fish culture is the method to culture five or six species, both indegenous and exotic, together in a single fish pond. Some of the Advantages of composite fish culture include: 1) Various species of fishes are cultured altogether . 2) Ensures complete utilization of food in pond.
What are the 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.
What is composite fish culture what are its disadvantages?
Composite fish culture system involves the culture of several species of fish at a same time in a same pond. It is adopted for intensive fishing to increase the fish yield. Disadvantages of composite fish culture are as follows . Lack of availability of good quality fish seeds .
What are two advantages of composite fish culture?
Advantages of composite fish culture : (i) It helps to get a variety in fish yield . (ii) Food in the pond gets evenly used up due to different varieties of fish having different food habits present in a pond. (iii) Fish do not compete for food as all type of fish get their kind of food.
What are the advantages of Class 9 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 is difference between polyculture and composite fish culture?
Composite Fish Culture or Polyculture or Mixed Fish Farming is called stocking of cultivable fish of different species that vary in feeding habits in the same pond. In other words, polyculture or composite fish culture is called the combined or mixed farming of compatible fish species .
What do you mean by 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 is composite culture?
The term Composite culture means ‘culture drawn from various strands’ . It can further be defined as the fusion or amalgamation of different cultures and traditions forming a new distinct cultural tradition.
What is the major problem in composite fish farming How is this problem overcome?
So a major problem in fish farming is the lack of availability of good quality seed . To overcome this problem, now some ways have been worked out to breed these fish in ponds using hormonal stimulation. This has ensured the supply of pure fish seed in desired quantifies.
Why is there a need for fish culture in our country?
Most of the production comes from the farming of seaweed, milkfish, tilapia, shrimp, carp, oyster and mussel. Aquaculture contributes significantly to the country’s food security, employment and foreign exchange earnings. Aquaculture is growing much faster than capture fisheries .
What are the problems with fish farming?
While fish farms cause many of the same problems as factory farms on land – waste, pesticides, antibiotics, parasites, and disease – the issues are magnified because of the immediate contamination of the surrounding ocean water. There is also the problem of farmed fish escaping into the wild when nets fail.
What is the advantages and disadvantages of fish farming?
| Fish Farming Pros Fish Farming Cons | Income source for locals Spread of diseases | Job opportunities Genetic manipulation | May mitigate the starvation issue Fish feed is often made out of wild fish | Lower fish prices Poor conditions in fish farms |
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What is composite fish culture system state one merit and one demerit of such a system?
THE FISHES DO NOT COMPETE WITH EACH OTHER FOOD BECAUSE THEY HAVE DIFFERENT FEEDING HABITS . ... MANY FISHES USED IN THIS TECHNIQUE BREED ONLY DURING MONSOON, THUS MAKING IT DIFFICULT TO GET GOOD QUALITY FISH SEED.
How are fish obtained?
There are 2 ways of obtaining fish . One is from natural resources , called capture fishing . The other is by fish farming , which is called culture fishery. Capture fishing , a process of obtaining both marine and fresh water fish from natural resources by using nets.
What is composite fish culture and what are its advantages?
Answer: Composite fish culture is a method in which five or six different types of fish species are grown together in a single fish pond. ... This guarantees that the food supplies in the pond are completely utilized. Such a system improves the fish yield .
