Biofloc Technology (BFT): A Review for Aquaculture Application and Animal Food Industry

Emerenciano, Maurício Gustavo Coelho; Gaxiola, Gabriela; Cuzon, Gérard

doi:10.5772/53902

Cited by 182 publications

(210 citation statements)

References 80 publications

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“…Berberovic [60] evaluated the elemental composition (CHN) of two Daphnia species, reporting the following: C, 46.1%; H, 6.5%; N, 9.7%; and ash, 23.8%, which permit to estimate a protein content of 60.6%. This group of organisms was reported in biofloc system by Emerenciano et al [61]. Moreover, in a postlarvae culture of L. vannamei reared in zero-water exchange, FerreiraMarinho et al [62] reported Cladocera abundance from 0.89 to 1.16 ind mL Nematoda is the other essential group in BFT.…”

Section: Zooplanktonmentioning

confidence: 91%

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Emerenciano¹,

Córdova²,

et al. 2017

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Biofloc technology (BFT) is considered the new "blue revolution" in aquaculture. Such technique is based on in situ microorganism production which plays three major roles: (i) maintenance of water quality, by the uptake of nitrogen compounds generating in situ microbial protein; (ii) nutrition, increasing culture feasibility by reducing feed conversion ratio (FCR) and a decrease of feed costs; and (iii) competition with pathogens. The aggregates (bioflocs) are a rich protein-lipid natural source of food available in situ 24 hours per day due to a complex interaction between organic matter, physical substrate, and large range of microorganisms. This natural productivity plays an important role recycling nutrients and maintaining the water quality. The present chapter will discuss some insights of the role of microorganisms in BFT, main water quality parameters, the importance of the correct carbon-to-nitrogen ratio in the culture media, its calculations, and different types, as well as metagenomics of microorganisms and future perspectives.

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Section: Zooplanktonmentioning

confidence: 91%

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Emerenciano¹,

Córdova²,

et al. 2017

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“…In bioflocs, essential fatty acids (EFA), such as linoleic acid (C18:2 n‐6, 1.5–28.2%), linolenic acid (C18:3 n‐3, 0.04–3.3%), arachidonic acid (C20:4 n‐6 or ARA, 0.06–3.55%), eicosapentaenoic acid (C20:5 n‐3 or EPA, 0.05–0.5%) and docosahexaenoic acid (C22:6 n‐3 or DHA, 0.05–0.77%), as well as the sum of n‐3 (0.4–4.4%) and the sum of n‐6 (2.0–27.0%) fatty acids may vary considerably (Emerenciano et al . , c).…”

Section: Taking Advantage Of Microorganisms In Aquaculture Systemsmentioning

confidence: 99%

Microbial‐based systems for aquaculture of fish and shrimp: an updated review

Martínez‐Córdova¹,

Emerenciano

Miranda‐Baeza

et al. 2014

Reviews in Aquaculture

196

114

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The continuous development of world aquaculture demands new strategies and alternatives aimed to achieve sustainability. The use or microorganisms in aquaculture has greatly evolved during the last two decades. From being considered as a potential threat, during the last years, they have been used as probiotics and inclusively as food source for fish and crustacean. The microbial‐based systems represent one of the most viable strategies to achieve a sustainable aquaculture. In short, these systems are based on the promotion of microbial proliferation, either autotrophic or heterotrophic microorganisms; these microbes are expected to use, recycle and transform the excess of nutrients from faeces, dead organisms, unconsumed food and diverse metabolites into biomass, which would be further consumed by the cultured organisms. Successful results on using microbial‐based systems have been documented around the world; however, there are key aspects to consider and yet to experiment before a system could be implemented. Some of those aspects are analysed in this manuscript, while new advances in the use of microbial‐based systems and recommendations are also presented.

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“…En este sentido, el sistema de cultivo con bioflocs se destaca debido a que involucra diferentes enfoques, dando énfasis el aporte nutricional por medio del uso eficiente de los nutrientes (AVNIMELECH, 2006). La dinámica de ese sistema de cultivo se basa en el adecuado manejo de la relación C:N para la remoción y asimilación de nutrientes en el agua a través de bacterias heterótrofas, las cuales estimulan la producción de proteína microbiana (DE SCHRYVER et al, 2008), fenómeno influenciado por la interacción de los parámetros físicos y químicos del agua, que a su vez influyen en los organismos presentes en el sistema (EMERENCIANO et al, 2013;MARTÍNEZ-CÓRDOVA et al, 2015).…”

Section: Introductionunclassified

Cultivo de alevinos de tilápia em sistema de bioflocos sob diferentes relações carbono/nitrogênio

et al. 2017

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RESUMONa presente pesquisa, avaliou-se o efeito da relação carbono/nitrogênio (C:N), na qualidade da água, produtividade e composição centesimal dos alevinos de Oreochromis niloticus durante 58 dias de cultivo. O desenho experimental consistiu em quatro tratamentos: um sistema convencional (controle) e três sistemas de biofloco (CN10, CN15 e CN20). Foram utilizadas 12 unidades experimentais de 0,04 m 3 , com 30 peixes (750 peixes m -3 ) com peso médio individual de 1,55±0,01 g. Verificou-se a existência de interação entre os parâmetros de qualidade da água do sistema de biofloco e os parâmetros produtivos dos alevinos de tilapia. O tratamento CN10 apresentou uma baixa produção de sólidos sedimentáveis, 38,61±0,54 mL L -1 (p<0,05), fato esse que contribuiu para o rápido crescimento dos indivíduos (21,7±2,18 g), atingindo uma produtividade final média de 15,50±0,81 kg m -3 (p<0,05). É possível concluir que o cultivo de alevinos de O. niloticus no sistema biofloco, com uma relação C:N de 10, apresentou o melhor rendimento de produção quando comparado aos outros tratamentos (CN15 e CN20).Palavras-chave: peixe, qualidade da água, crescimento, biofloco, proteína RESUMENEn la presente investigación se evaluó el efecto de la relación carbono/nitrógeno (C:N), la calidad del agua, la productividad y la composición proximal de alevines de Oreochromis niloticus durante 58 días de cultivo. El diseño experimental consistió de cuatro tratamientos: un sistema convencional (control) y tres sistemas biofloc (CN10, CN15 y CN20). Se utilizaron 12 unidades experimentales de 0.04 m 3 , con 30 peces (750 pez m -3 ) con peso promedio individual de 1.55±0.01 g. Se constató la existencia de interacción entre los parámetros de calidad de agua del sistema biofloc y los parámetros productivos de los alevines de tilapia. El tratamiento CN10 presentó una baja producción de sólidos sedimentables 38.61±0.54 mL L -1 (p<0.05), hecho que contribuyó con el rápido crecimiento de los individuos (21.7±2.18 g), alcanzando rendimientos finales promedios de 15.50±0.81 kg m -3 (p<0.05). Es posible concluir que el cultivo de alevinos de O. niloticus en sistema biofloc, con una relación C:N de 10, presentó el mejor rendimiento de producción si comparado con los otros tratamientos (CN15 y CN20).

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Biofloc Technology (BFT): A Review for Aquaculture Application and Animal Food Industry

Cited by 182 publications

References 80 publications

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Biofloc Technology (BFT): A Tool for Water Quality Management in Aquaculture

Microbial‐based systems for aquaculture of fish and shrimp: an updated review

Cultivo de alevinos de tilápia em sistema de bioflocos sob diferentes relações carbono/nitrogênio

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