Suitability and Production Performance of Oreochromis niloticus (GIFT)   and Cyprinus carpio Under Mono and Mixed Culture System in Coastal Rice   Field

P.K. Sarker; S.U. Ahmed; S. Rahman; D. Dey

Suitability and Production Performance of Oreochromis niloticus (GIFT) and Cyprinus carpio Under Mono and Mixed Culture System in Coastal Rice Field

2005

P.K. Sarker | S.U. Ahmed | S. Rahman | D. Dey

Present study deals with the suitability and production potential of two exotic fish species (GIFT: Genetically Improved Farm Tilapia; O. niloticus, C. carpio) as mono culture and mixed culture system of integrating a short term (mid August-mid December) brackish water aquaculture in the south-west coastal paddy fields of monocropped coastal saline soil at high rain fed region during monsoon season. Twelve paddy plots size ranged from 1320-2080 m2 with peipheral trenches (40 cm depth and 45 cm width) and one meter deep ditch in 3% of the area were stocked with fish at a density of 5928 ha-1 for mono and mixed culture (50+50%), after 105 days of rearing average weight and production rate of fish from monoculture of GIFT (T1), mixed culture of GIFT and C.carpio (T2) and monoculture of C. carpio were found 112.5 g, 479.36 kg; (114.2+110.6 g); (241.68+185.21 kg); 114.03 g, 398.95 kg ha-1, respectively. Higher significant production was found in case of GIFT monoculture in T1 than that of other treatments. Highest net return was obtained from T1 while lowest net return from rice monoculture crop farming in T4. So, rice fish farming was economically more rewarding than the rice mono-crop farming. Besides, GIFT monoculture plays a significant production potential for coastal paddy fields.

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