Publicação: Technical and economic feasibility of integrating seahorse culture in shrimp/oyster farms
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Integrated multi-trophic aquaculture systems (IMTA) are building ecosystems designed to produce aquatic organisms with less environmental impact. We have developed a simple system and a management strategy for introducing seahorse (Hippocampus spp.) culture in shrimp/oyster farms to increase economic sustainability. The system includes broodstock, nursery and grow-out phases of Hippocampus reidi G. culture. We performed a test in a 42.4-ha marine shrimp/oyster farm, which showed that this system is technically feasible. Then, we performed a partial budget analysis including cost-return, cash flow and financial feasibility analysis. More than 12 000 marketable size seahorses may be produced in 402 m2 annually. Initial investment was only US$ 21 103.00. The benefit–cost ratio was ~US$ 20.00 for each US$ 1.00 spent, internal rate of return was 131% and payback period <2 years. In conclusion, the introduction of seahorse in shrimp/oyster IMTA system is technically feasible, profitable, resilient and shows high liquidity. This system may be easily established in developing countries and has potential to provide seahorses to supply different markets (live specimens for the marine aquarium trade and dried specimens for traditional Chinese medicine and the curio trade). In addition, it can indirectly contribute to preserve natural populations.
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IMTA, ornamental fish, profit, sustainability
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Inglês
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Aquaculture Research, v. 48, n. 2, p. 655-664, 2017.
