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Environmental codes of practice in aquaculture
https://www.globalseafood.org/advocate/environmental-codes-of-practice-in-aquaculture/…a model for these country-level codes of practice. Additional information on good management practices for shrimp aquaculture was presented by C. E. Boyd and Maria Haws at the Symposio 5…
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Decomposition of organic matter in aquaculture systems
https://www.globalseafood.org/advocate/decomposition-of-organic-matter-in-aquaculture-systems/…produced in ponds and other outdoor, static waters. Boyd, decomposition, Table 1 Organic materialConcentration (% dry weight) CarbonConcentration (% dry weight) Nitrogen Livestock manure: Swine 40.6 3.01 Livestock manure: Dairy…
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Descomposición de materia orgánica en sistemas acuícolas
https://www.globalseafood.org/advocate/descomposicion-de-materia-organica-en-sistemas-acuicolas/…al aire libre. Boyd, descomposición, Tabla 1 Material orgánicoConcentración (% peso seco) CarbonoConcentración (% peso seco) Nitrógeno Estiércol de ganado: Porcinos 40.6 3.01 Estiércol de ganado: Lácteos 38.2 2.98 Estiércol…
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Underground injection of aquaculture wastewater
https://www.globalseafood.org/advocate/underground-injection-of-aquaculture-wastewater/Prof. Boyd discusses the underground injection of wastewater and its applicability to aquaculture Prof. Boyd discusses the underground injection of wastewater and the applicability to aquaculture wastewaters, which have comparatively…
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Inyección subterránea de aguas residuales de acuacultura
https://www.globalseafood.org/advocate/inyeccion-subterranea-de-aguas-residuales-de-acuacultura/El Prof. Boyd analiza la inyección subterránea de aguas residuales y su aplicabilidad a la acuacultura El Prof. Boyd analiza la inyección subterránea de aguas residuales y la aplicabilidad a…
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Aqua Insights excerpt: Smart water quality sensors for aquaculture
https://www.globalseafood.org/advocate/aqua-insights-excerpt-smart-water-quality-sensors-for-aquaculture/…low,” he says. Claude E. Boyd, Ph.D., one of the world’s leading water quality experts, agrees about the importance of oxygen. “It’s oxygen that makes aquaculture ponds productive and producers…
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A comparison of resource use in shrimp farming, part 3: Energy
https://www.globalseafood.org/advocate/a-comparison-of-resource-use-in-shrimp-farming-part-3-energy/…fuels and pond amendments. Boyd, Energy Use, Table 1 InputDirectEmbodied Diesel fuel 0.0387 GJ/L 0.007 GJ/L (»0.0007 GJ/kW·hr Gasoline 0.0349 GJ/L 0.0084 GJ/L (»0.008 GJ/kW·hr) Electricity 0.0036 GJ/kW·hr 0.00539 GJ/kW·hr…
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Una comparación del uso de recursos en el cultivo de camarones, parte 2: Agua
https://www.globalseafood.org/advocate/una-comparacion-del-uso-de-recursos-en-el-cultivo-de-camarones-parte-2-agua/…el profesor Boyd analiza el uso del agua en el cultivo de camarón en los cinco principales países exportadores de camarón cultivado (Ecuador, India, Indonesia, Tailandia y Vietnam) y sugiere…
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Una comparación del uso de recursos en el cultivo de camarones, parte 3: Energía
https://www.globalseafood.org/advocate/una-comparacion-del-uso-de-recursos-en-el-cultivo-de-camarones-parte-3-energia/…granjas para combustibles más la energía incorporada asociada con alimentos, combustibles y enmiendas de estanques. Boyd, Uso de Energía, Tabla 1 AporteDirectoIncorporado Combustible diésel 0.0387 GJ/L 0.007 GJ/L (»0.0007 GJ/kW·hr…
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Dissolved oxygen is a major concern in aquaculture. Here’s why.
https://www.globalseafood.org/advocate/dissolved-oxygen-is-a-major-concern-in-aquaculture-heres-why/Professor Boyd discusses a critical, stress-causing variable that can kill or cause poor appetite, slow growth and greater susceptibility to disease In his latest article, Prof. Boyd discusses why dissolved…
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El oxígeno disuelto es una preocupación importante en la acuacultura. Este es el por qué.
https://www.globalseafood.org/advocate/el-oxigeno-disuelto-es-una-preocupacion-importante-en-la-acuacultura-este-es-el-por-que/El profesor Boyd analiza una variable crítica que causa estrés y que puede matar o causar falta de apetito, crecimiento lento y mayor susceptibilidad a las enfermedades En su último…
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Understanding the oxygen demand of aquafeeds
https://www.globalseafood.org/advocate/understanding-oxygen-demand-aquafeeds/…species (Table 1). However, the feed oxygen demand for producing 1 kg of the culture animals varies considerably because of the differences in typical FCE values for different species. Boyd,…
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Phytoplankton and its impact on water quality
https://www.globalseafood.org/advocate/phytoplankton-impact-water-quality/Professor Boyd: Algae has an important relationship with aquaculture ponds Aquaculture ponds typically have a high abundance of phytoplankton due to high nutrient concentrations from aquafeeds and/or fertilizers. Photo by…
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El fitoplancton y su impacto en la calidad del agua
https://www.globalseafood.org/advocate/el-fitoplancton-y-su-impacto-en-la-calidad-del-agua/Profesor Boyd: Las algas tienen una importante relación con los estanques acuícolas Los estanques acuícolas típicamente tienen una alta abundancia de fitoplancton debido a las altas concentraciones de nutrientes de…
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Electrical conductivity of water, part 2
https://www.globalseafood.org/advocate/electrical-conductivity-water-part-2/Professor Boyd: Examining the significance of an important production parameter The electrical conductivity of water provides an assessment of the total concentration of dissolved ions in water, and is an…
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Propiedades de fertilizantes comerciales comunes en acuacultura
https://www.globalseafood.org/advocate/propiedades-de-fertilizantes-comerciales/…más densos que el agua, pero son solubles en agua. Boyd, fertilizantes comunes, Tabla 1 Compuesto N (%)P205 (%)K20 (%) Urea 45-46 Nitrato de amonio 33 Sulfato de amonio 21…
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Embodied resource use in feed-based aquaculture
https://www.globalseafood.org/advocate/embodied-resource-use-in-feed-based-aquaculture/…the farm (Table 1). Producers can have an important role in lessening the total amount of embodied resources consumed in aquaculture production up to the farm gate level. Boyd, Use…
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Revisiting ionic imbalance in low-salinity shrimp aquaculture
https://www.globalseafood.org/advocate/revisiting-ionic-imbalance-in-low-salinity-shrimp-aquaculture/…counteract ionic imbalance is problematic, because minimum concentrations of major cations (sodium, potassium, calcium, and magnesium) required for physiological functions in penaeid shrimp are not known with certainty. Boyd, ionic…