Design of Integrated Aquaculture of the Pacific White Shrimp, Tilapia and Green Seaweed

Abstract

In this study, an integrated aquaculture system, based on shrimp-fish-seaweed, was designed and tested for its ability to treat shrimp pond effluent. Marine shrimp (Penaeus vannamei), herbivorous fish (Oreochromis sp.) and seaweed (Entermorpha sp.) were co-cultured in a recirculation system. The experimental results indicated that the integrated aquaculture, that included water-recirculation, could reduce nitrogenous-waste accumulation in shrimp ponds by retaining some nitrogen content in fish and seaweed biomass. 88% of the nitrogen introduced by feeding was collected through this system. Most nitrogen content (45%) was found in the form of pond sediment. 24% of the original nitrogen was retained in the form of aquaculture biomass, i.e. 15%, 6% and 3% for shrimp, fish and seaweed respectively.