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Optimal Rotation Time for the Polyculture of Tilapia Nilótica and White Shrimp in Freshwater

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Abstract
  • It was obtained the optimal rotation time for the polyculture of tilapia nilótica and white shrimp in freshwater, with a bioeconómic model. Data for modelling were extracted from an experiment conducted in CINVESTAV-IPN, unit Mérida, during the summer of 2008. The stocking densities studied were 32.2 tilapia/m3 and 33.7 and 50 shrimp/m2. For simulation were considered the technical and economic characteristics of tilapia culture in Yucatán Mexico. Randomness was included in the two most influential variables of the system, in order to obtain more attached to reality results. The optimal rotation time strategy was longer than the commonly used by the tilapia farmers.
  • KEYWORDS: Fisheries economics, Aquaculture
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  • Gasca-Leyva, Eucario and Laura Silva. 2010. Optimal Rotation Time for the Polyculture of Tilapia Nilótica and White Shrimp in Freshwater. 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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  • US National Oceanic and Atmospheric Administration (NOAA) Fisheries Division, Agence Française de Développement, Ministère de l’Enseignement Supérieur et de la Recherche, Ministère de L’Alimentation de L’Agriculture et de la Pêche, Ministère de l’Énergie, du Développement Durable et de la Mer, La Région Languedoc Rouslilon, Département Hérault, Montpellier Agglomèration, The Department of Fisheries and Oceans, Canada, and AquaFish Collaborative Research Support Program (CRSP).
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