Thursday, January 16, 2025

Aquaculture and major carps fishes

                Aquaculture     

Aquaculture is the fastest growing food sector around the world. It can be defined as " farming of aquatic organism mainly fin fishes, crustaceans, mollusks and seaweeds with some deliberate intentions to interfere in their life cycles".It not only provides the nutritious food to the millions of people but also offers job in main aquaculture and its subsidiary sectors like craft and gear, feed industry, fish processing,fish feed additive, chemicals and drugs and aquaculture sector. It has witnessed spectacular growth and transformed from traditional to semi-intensive and intensive aquaculture practices.  It is practices in freshwater community ponds, rives,lakes, cold water upland lakes, reservoirs, canals, seasonal ponds, swamps, coastal, brackish, marine waters. In freshwater fishes in India Indian Major carps are the main species contributing to more than 80% of total freshwater fish production. Indian major carps (IMC) includes following three species namely

Catla   Catla catla
Rohu    - Labeo rohita
Mrigal  - Cirrhinus mrigala
    
    IMC are also known as Gangetic carps as they are native to Indian river Ganga.

Exotic major carps species includes

Silver carp   - Hypophtahlmicthys molitrix
Grass carp    - Ctenopharyngodon idella
Common carp   - Cyprinus carpio

   These carps species are cultures in Asian countries like India, Pakistan, Bangladesh, Sri Lanka, Vietnam mainly.  They are fast growing, hardy fish species accepting wide range of feed having consumer demand to fetch good market price. The average per kilogram price of these fishes ranges from Rupees 150-250 kg in India.

Carps: Carps are toothless (absent in mouth but have teeth as pharyngeal ring)  fishes having scales on their body but head. remain devoid of scales.

 Their culture involves various steps like

1.Pre-stocking pond management
2.Stocking pond management
3.Post stocking pond management




Fish fingerlings rearing in pond- 1& 2


          Giant freshwater Prawn  Macrobrachium rosenbergii 
                            3 & 4


                  A view of culture pond 5 &6





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Indian and exotic major carps fishes

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