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Search Results

You searched for Boyd. We found 200 results.

  • Low-salinity, inland shrimp culture in Brazil and Ecuador

    https://www.globalseafood.org/advocate/low-salinity-inland-shrimp-culture-in-brazil-and-ecuador/?_rt=MTYzfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=8c2bd4c33c

    …regions, however, ion concentration in water due to excessive evaporation can lead to high alkalinity in freshwater. Boyd (1990) noted that clay or loam soils often contain high amounts of…

  • Zero exchange, aerobic, heterotrophic systems: key considerations

    https://www.globalseafood.org/advocate/zero-exchange-aerobic-heterotrophic-systems-key-considerations/?_rt=MTY0fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=c073012c1f

    …practices can be addressed effectively by zero exchange, aerobic, heterotrophic (“ZEAH”) culture systems (Boyd and Tucker 1998). Although these systems are already in limited use, their number is growing rapidly…

  • Efficacy of probiotics in grow-out systems

    https://www.globalseafood.org/advocate/efficacy-of-probiotics-in-grow-out-systems/?_rt=MTY1fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=c003ade5d0

    …did not produce any measurable improvements in water or sediment quality, or shrimp yield over the untreated tanks. Tests with other species Claude Boyd and co-workers at the International Center…

  • Waste in aquaculture: Part 1

    https://www.globalseafood.org/advocate/waste-in-aquaculture-part-1/?_rt=MTY2fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=df37e94718

    …culture tanks. According to Boyd (2003), the Global Aquaculture Alliance (GAA) recommended total ammonia nitrogen (un-ionized ammonia + ionized ammonia) of 5 mg/L in the aquaculture effluents as part of…

  • Point: There are no essential ingredients in aquaculture feeds

    https://www.globalseafood.org/advocate/point-there-are-no-essential-ingredients-in-aquaculture-feeds/?_rt=MTY3fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=cc4d95d17b

    …474-475. Pikitch, E.K., Rountos, K.J., Essington, T.E., Santora, C., Pauly, D., Watson, R., Sumaila, U.R., Boersma, P.D., Boyd, I.L., Conover, D.O. and Cury, P., 2014. The global contribution of forage…

  • How automatic shrimp feeders impact water and soil quality of grow-out ponds in Ecuador

    https://www.globalseafood.org/advocate/how-automatic-shrimp-feeders-impact-water-and-soil-quality-of-grow-out-ponds-in-ecuador/?_rt=MTY4fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=d173a4135d

    …determine their organic matter content according to the ignition method (Boyd, 1995). Acoustic feedback-based feeding systems are the most evident example of the benefits offered by automatic feeding technology to…

  • Cómo los alimentadores automáticos de camarones impactan la calidad del agua y el suelo de los estanques de engorde en Ecuador

    https://www.globalseafood.org/advocate/como-los-alimentadores-automaticos-de-camarones-impactan-la-calidad-del-agua-y-el-suelo-de-los-estanques-de-engorde-en-ecuador/?_rt=MTY5fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=aa72c6fe48

    …BioMar en Durán (Guayas, Ecuador) para determinar su contenido de materia orgánica según el método de ignición (Boyd, 1995). Los sistemas de alimentación basados ​​en retroalimentación acústica son el ejemplo…

  • A circular economy approach to transform the future of marine aquaculture

    https://www.globalseafood.org/advocate/a-circular-economy-approach-to-transform-the-future-of-marine-aquaculture/?_rt=MTcwfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=6db8cc0461

    …Macroalgae Research Inspiring Novel Energy Resources (MARINER) program. Nevertheless, sustained research and development, including the assessment of potential environmental impacts by Boyd et al., will be required to make offshore…

  • Global Seafood Alliance: 25 years in the making | A look back to 1997

    https://www.globalseafood.org/blog/25th-anniversary-george/?_rt=MTcxfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=438638805d

    …Claude Boyd The first objective of GAA was to gather the facts about mangrove destruction by shrimp farms. A group of international mangrove experts was commissioned to meet in Bangkok…

  • Un enfoque de economía circular para transformar el futuro de la acuacultura marina

    https://www.globalseafood.org/advocate/un-enfoque-de-economia-circular-para-transformar-el-futuro-de-la-acuacultura-marina/?_rt=MTcyfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=dc03bc655c

    …investigación y desarrollo sostenidos, incluida la evaluación de los posibles impactos ambientales por parte de Boyd et al., para que la acuacultura oceánica en alta mar sea comercialmente viable y…

  • Prueba de caliza agrícola en estanques acuícolas

    https://www.globalseafood.org/advocate/caliza/?_rt=MTczfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=ead2278b3b

    …y 12 por ciento. SA-BOYD-Limestone-Tabla-1.csv Fuente(1)Variable: Ca (%)Variable: Mg (%)Variable: pH de la suspensión ID (2) GA-1 30.8 ± 1.3 a3 4.0 ± 0.4 c 8.1 ± 0.1 d Caliza…

  • Study identifies maximum holding times for water samples

    https://www.globalseafood.org/advocate/study-identifies-maximum-holding-times-for-water-samples/?_rt=MTc0fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=8e5044ba2a

    …hardness, which were stable for 72 hours, likely could be held longer, but samples should always be analyzed promptly. Boyd, Recommended holding times, Table 1 VariableTime (hours) pH Analyze on…

  • Pangasius juveniles tolerate moderate salinity in test

    https://www.globalseafood.org/advocate/pangasius-juveniles-tolerate-moderate-salinity-test/?_rt=MTc1fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=b94be64197

    …final weights at 20 ppt were significantly lower than at 3 and 13 ppt (Table 1). Boyd, Mean final weight of Pangasius, Table 1 Salinity (ppt)Initial Weight (g)Final Weight (g)…

  • Evaluating the effect of a commercial additive on growth and survival of larval Pacific white shrimp

    https://www.globalseafood.org/advocate/evaluating-the-effect-of-a-commercial-additive-on-growth-and-survival-of-larval-pacific-white-shrimp/?_rt=MTc2fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=e7e86fa76f

    Results showed improved growth and survival, including for animals challenged with AHPND Results of this study showed that the application of a commercial additive combining immersion and feeding during larval…

  • Evaluating hydrolysates as functional ingredients in Pacific white shrimp feeds

    https://www.globalseafood.org/advocate/evaluating-hydrolysates-as-functional-ingredients-in-pacific-white-shrimp-feeds/?_rt=MTc3fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=1c09669be1

    …hydrolysates, they were classified according to the degree of hydrolysis used as high, medium and low degree of hydrolysis (Table 1). Boyd, FCR, Tabla 1 FCRN (kg/t)P (kg/t)Demanda de oxígeno…

  • Can a low-cost salt mixture replace sea salts for low-salinity shrimp farming?

    https://www.globalseafood.org/advocate/can-a-low-cost-salt-mixture-replace-sea-salts-for-low-salinity-shrimp-farming/?_rt=MTc4fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=0ac99e344c

    …commercial reconstituted sea salt (RSS) used to obtain seawater equivalent concentrations of cations (Boyd 2018 ; https://www.aquaculturealliance.org/advocate/revisiting-ionic-imbalance-in-low-salinity-shrimp-aquaculture/ ).   https://www.globalseafood.org/advocate/revisiting-ionic-imbalance-in-low-salinity-shrimp-aquaculture/ The low-cost salt mixture (LCSM) used in our trials was…

  • Decomposition and accumulation of organic matter in ponds

    https://www.globalseafood.org/advocate/decomposition-and-accumulation-of-organic-matter-in-ponds/?_rt=MTc5fDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=d289458039

    Aquaculture ponds accumulate organic matter from organic fertilizer, remains of microorganisms produced within the pond, feces of the culture animals and uneaten feed. Claude E. Boyd, Ph.D., details the leading…

  • Descomposición y acumulación de materia orgánica en estanques

    https://www.globalseafood.org/advocate/descomposicion-y-acumulacion-de-materia-organica-en-estanques/?_rt=MTgwfDEwfGJveWR8MTc2NTA4ODMwMA&_rt_nonce=63925353b3

    Los estanques acuícolas acumulan materia orgánica de fertilizantes orgánicos, restos de micro-organismos producidos dentro del estanque, las heces de los animales criados y el alimento no-consumido. Claude E. Boyd, Ph.D.,…

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