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Bio-economic Analysis of Silver Kob, Argyrosomus inodorus, (Griffiths & Heemstra) Aquaculture in Namibia

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  • Namibia has certain very positive attributes for the development of the aquaculture sub-sector. In the last ten years great strides have been made in creating a cohesive, clear and efficient legal and regulatory environment for the development of aquaculture in Namibia. There is a necessity to exploit the conducive environment provided for the development of aquaculture. For marine aquaculture to be successful it needs to be founded on well-researched, and carefully planned principles that are aimed at sustainable utilization of the scarce resources. This is especially important due to the number of documented cases where aquaculture endeavors had failed and, even worse, led to negative public perceptions due to the environmental destruction. There is, thus a need for a detailed study for any aquaculture endeavor such as for the envisaged high value fin-fish species like silver kob, that will give the necessary biological and economic appraisal. The analysis formulated assumptions based on the author’s preliminary and secondary data obtained on silver kob production as well as on the production of similar species. A production unit of 150 MT/year was used. The species biological requirements were evaluated and incorporated in the technical decision for the recirculating aquaculture system’s choice. A production model was developed that take into account the fingerling size, growth, mortality, SGR,FCR, densities, volumes needed, feed needs and costs.
  • Keywords: Fish & Aquaculture Sectors' Development, The Economics of Aquaculture Production and Profitability Part I, Fisheries Economics
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  • Tjipute, M. Bio-economic Analysis of Silver Kob, Argyrosomus inodorus, (Griffiths & Heemstra) Aquaculture in Namibia. In: Visible Possibilities: The Economics of Sustainable Fisheries, Aquaculture and Seafood Trade: Proceedings of the Sixteenth Biennial Conference of the International Institute of Fisheries Economics and Trade, July 16-20, Dar es Salaam, Tanzania. Edited by Ann L. Shriver. International Institute of Fisheries Economics and Trade (IIFET), Corvallis, 2012.
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  • AQUAFISH, USAID, NEPAD Planning and Coordination Agency, Norad, The World Bank, Hyatt Regency Dar es Salaam, NAAFE, World Wildlife Fund, United Nations University Fisheries Training Programme, ICEIDA, JICA, JIFRS, The European Association of Fisheries Economists, International Seafood Sustainability Foundation
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