Bioeconomic Analysis of Ration Size in Nile Tilapia Feeding: An Example of Yucatan, Mexico Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/2j62s5843

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  • Nile tilapia has been cultivated in intensive systems in Yucatan, Mexico, during the first years of this century. Nevertheless, its adoption faces technical (related to the use of commercial feed) and marketing problems (fixed price of $2.14/Kg), which are analyzed in this paper. To do this, a bioeconomic model of Nile tilapia cultivation was estimated for four different ration sizes: 50%, 80% and 100% of the ration recommended by feed suppliers, and the satiety ration. The model was simulated for different scenarios, including three fixed harvest sizes and two market conditions (fixed and size-dependent price). Independently to price schedules, the optimum ration size was positively dependent on harvest size. Moreover, the highest profits were achieved with a harvest size of 400 g for the case of size-dependent price, which is reduced to 300 g for a fixed fish price. All optimal ration sizes were located with values below ration recommended by feed suppliers (0.84). The application of these results could increase producer income and improve input efficiency.
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  • Poot-López, Gaspar R., Juan M. Hernández and Eucario Gasca-Leyva. 2010. Bioeconomic Analysis of Ration Size in Nile Tilapia Feeding: An Example of Yucatan, Mexico. 9 pages. In: Proceedings of the Fifteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 13-16, 2010, Montpellier, France: Economics of Fish Resources and Aquatic Ecosystems: Balancing Uses, Balancing Costs. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2010.
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