what is a composite fish culture? write its is advantages and disadvantages.
Answers
Composite fish culture. ... In this system, of both local and imported fish, a combination of five or six fish species is used in a single fish pond. These species are selected so that they do not compete for food among them by having different types of food habitats
Advantages of Fish Farming:
1. Fish provides high quality animal protein for human consumption.
2. A farmer can often integrate fish farming into the existing farm to create additional income and improve its water management.
ADVERTISEMENTS:
3. Fish growth in ponds can be controlled: the farmers themselves select the fish species they wish to raise.
4. The fish produced in a pond are the owner’s property; they are secure and can be harvested at will. Fish in wild waters are free for all and make an individual share in the common catch uncertain.
5. Fish in a pond are usually close at hand.
6. Effective land use: effective use of marginal land e.g. land that is too poor, or too costly to drain for agriculture can be profitably devoted to fish farming provided that it is suitably prepared.
DISADVANTAGES
1.Most of the fishes breed only during monsoon. 2. If all of them lay eggs at the same time, there will be a big problem to distinguish between those eggs. 3. There is a lack of good quality fish seeds available. To overcome these problems, various ways have been worked out to breed these fish in ponds using hormonal stipulation.