Biofloc fish farming is an innovative method of fish farming that involves the use of microbial communities to maintain water quality and promote the growth of fish. This technique has gained popularity in recent years due to its low cost and high efficiency.
In Port Blair, the biofloc fish farming technique can be adopted for fish farming in ponds, tanks or cages. The first step in setting up a biofloc fish farm is to select a suitable location with good water availability and quality. The next step is to prepare the pond or tank by adding a substrate to the bottom to create a microbial community. This can be done by adding organic matter such as rice bran or molasses to the water.
Once the microbial community is established, fish can be stocked in the pond or tank. The fish are fed with a high protein diet that contains fishmeal, soybean meal or other protein sources. The fish waste is converted into ammonia by the microbial community and then into nitrate, which serves as a nutrient for the growth of the microorganisms. This nutrient-rich water is then circulated back into the pond or tank to promote the growth of the fish.
The water quality in the pond or tank is maintained by the microbial community, which helps to reduce the accumulation of toxic substances such as ammonia and nitrite. This reduces the need for water exchange, which is common in traditional fish farming methods. The use of biofloc technology also reduces the risk of disease outbreaks among fish and increases the survival rate of fish.
In conclusion, biofloc fish farming is a sustainable and efficient method of fish farming that can be adopted in Port Blair. It can help to increase fish production while reducing the environmental impact of fish farming. However, it is important to consult with experts in the field to ensure that the technique is properly implemented and managed.