Nitrogen dynamics model in zero water exchange, low salinity intensive ponds of white shrimp, Litopenaeus vannamei, at Colima, Mexico
2013
Castillo-Soriano, Francisco A(University of Colima Bioengineering Laboratory) | Ibarra-Junquera, Vrani(University of Colima Bioengineering Laboratory) | Escalante-Minakata, Pilar(University of Colima Bioengineering Laboratory) | Mendoza-Cano, Oliver(University of Colima Bioengineering Laboratory) | Ornelas-Paz, José de Jesús(Centro de Investigación en Alimentación y Desarrollo A.C) | Almanza-Ramírez, Juan C(University of Colima Bioengineering Laboratory) | Meyer-Willerer, Alejandro O(University of Colima Bioengineering Laboratory)
Spanish; Castilian. Se presenta un modelo matemático de la dinámica del nitrógeno (NH4+, NO2-, NO3- y nitrógeno orgánico en fitoplancton) en estanques de camarón blanco (Litopenaeus vannamei) en condiciones de baja salinidad y sin recambio de agua. El modelo predice los resultados de producción comercial en tres estanques comerciales. Se demuestra que este sistema de cultivo, sin reemplazo, retiene el nitrógeno y los camarones producidos tienen una baja conversión de alimento en comparación con sistemas con recambio. El modelo se utiliza para evaluar mejores estrategias de manejo de estos ambientes.
Show more [+] Less [-]English. We present a mathematical model based on differential equations describing the dynamics of nitrogen (NH4+, NO2-, NO3- and organic nitrogen in phytoplankton) in ponds of white shrimp (Litopenaeus vannamei), with low salinity and zero turnovers, from planting to harvest. The model predicts the results of commercial production in three ponds. We show that this culture system, without replacement, retains the nitrogen and shrimp produced a lower feed conversion in comparison with systems with replacement. The model can be used to define strategies for improved performance.
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