Is recirculating aquaculture system profitable?

Overall, the probability that RAS is a profitable investment is found to be 99\% for both farm sizes. With RAS, the crucial parameters determining profitability are price, yield, costs of fingerling, feed, and initial investment.

Is Ras profitable in India?

RAS can be the best solution for farmers who are geographically disadvantaged due to short growing season (less than 200 days) or extremely dry (desert) conditions, a competitive, profitable, year-round fish production system.

Is Ras system profitable?

Due to lower sludge discharge costs and high fish density of RAS compared to traditional fish farming, RAS can fetch more yield of fish hence more profits. The average annual profit is expected to increase to $230,000 USD/ha and $300,000 USD/ha for medium & large farms with an implementation of the RAS fish system.

What is the cost of recirculating aquaculture system?

Low cost Recirculatory Aquaculture System (RAS): As per actual cost with a ceiling of Rs. 15.00 lakh per unit (a) For General States: 50\% of the unit cost with a ceiling of Rs. 7.50 lakh per unit/plant.

How does a recirculating aquaculture system work?

Recirculating aquaculture systems (RAS) operate by filtering water from the fish (or shellfish) tanks so it can be reused within the tank. This dramatically reduces the amount of water and space required to intensively produce seafood products.

What are the advantages and disadvantages of recirculating aquaculture system?

A few benefits include efficient energy use and disease control. RAS technology is useful when it comes to predicting output and gaining a competitive edge. There are a few disadvantages to using the recirculating aquaculture system. These disadvantages include high startup costs and complex machinery.

Which fish is best for farming in India?

Katla, Rui, Grass Carp, Silver Carp, Common Carp, Tilapia, Koi, Shrimp, various types of catfish etc. are very suitable fish breeds for farming in freshwater pond. For proper utilization of pond and water resources you can raise numerous fish breeds together.

What is Ras farming?

Recirculatory Aquaculture System (RAS) is a technology where water is recycled and reused after mechanical and biological filtration and removal of suspended matter and metabolites. The technology is based on the use of mechanical and biological filters and the method can be used for any species grown in aquaculture.

Which fish is suitable for Ras?

Recycled water is very much warmer than natural water. And cold water fish species such as salmon are not good for the RAS fish farming process. Barramundi, carp fishes, perch, catfish, white fish, tilapia, bluefin tuna, rainbow trout, seabass, and sturgeon are very good for the RAS fish farming system.

What is recirculating aquaponics system?

Aquaponic systems are recirculating aquaculture systems that incorporate the production of plants without soil. Recirculating systems are designed to raise large quantities of fish in relatively small volumes of water by treating the water to remove toxic waste products and then reusing it.

What are the types of filtration used by recirculating systems?

Filtration. Water quality is maintained in recirculating systems through both mechanical and biological filtration. Mechanical filtration is used to remove solids from the system. These types of filters typically include screens, granular filtration, or separators (Losordo et al.