Evaluation of Nile tilapia in monoculture and polyculture with giant freshwater prawn in biofloc technology system and in recirculation aquaculture system

Hisano, Hamilton; Barbosa, Phillipe Thiago Leite; Hayd, Liliam; Mattioli, Cristiano Campos

doi:10.1007/s40071-019-00242-2

Cited by 29 publications

(25 citation statements)

References 45 publications

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“…Control can be more challenging due to dependent factors such as feed levels, which will be related to stocking density and dissolved oxygen levels (Boyd et al ., 2020). Controlling water quality traditionally requires technical solutions such as thermoregulation, water exchange, aeration, mechanical technology, and biofiltration or biofloc technology (Martins et al ., 2010; Hisano et al ., 2019). However, polyculture systems can offset some of these control requirements via internal regulatory processes such as recycling of the nutrients in waste (Neori et al ., 2004; Martinez‐Porchas et al ., 2010; Boyd et al ., 2020).…”

Section: Limits Of Polyculture Approaches and Future Developmentsmentioning

confidence: 99%

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

et al. 2020

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Human population growth has increased demand for food products, which is expected to double in coming decades. Until recently, this demand has been met by expanding agricultural area and intensifying agrochemical‐based monoculture of a few species. However, this development pathway has been criticised due to its negative impacts on the environment and other human activities. Therefore, new production practices are needed to meet human food requirements sustainably in the future. Herein, we assert that polyculture practices can ensure the transition of aquaculture towards sustainable development. We review traditional and recent polyculture practices (ponds, recirculated aquaculture systems, integrated multi‐trophic aquaculture, aquaponics, integrated agriculture–aquaculture) to highlight how they improve aquaculture through the coexistence and interactions of species. This overview highlights the importance of species compatibility (i.e. species that can live in the same farming environment without detrimental interactions) and complementarity (i.e. complementary use of available resources and/or commensalism/mutualism) to achieve efficient and ethical aquaculture. Overall, polyculture combines aspects of productivity, environmental protection, resource sharing, and animal welfare. However, several challenges must be addressed to facilitate polyculture development across the world. We developed a four‐step conceptual framework for designing innovative polyculture systems. This framework highlights the importance of (i) using prospective approaches to consider which species to combine, (ii) performing integrated assessment of rearing environments to determine in which farming system a particular combination of species is the most relevant, (iii) developing new tools and strategies to facilitate polyculture system management, and (iv) implementing polyculture innovation for relevant stakeholders involved in aquaculture transitions.

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Section: Limits Of Polyculture Approaches and Future Developmentsmentioning

confidence: 99%

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

et al. 2020

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“…In another study, the performance of the BFT versus the RAS on Nile tilapia, Oreochromis niloticus in monoculture and polyculture with giant freshwater prawn, Macrobrachium rosenbergii was evaluated. It was reported that the BFT offers better growth performance for O. niloticus in monoculture and in polyculture with M. rosenbergii compared to RAS ( Hisano et al 2019 ).Thus, both RAS and BFT systems play a significant role optimizing the growth performance of aquatic animals resulting in the reduction of their production expenses ( Fleckenstein et al 2018 ). Nevertheless, fossil fuel-based RAS increases both the operational cost and the bad environmental impact because of its high energy requirements ( Badiola et al 2018 ).…”

Section: Biofloc Is a Significant Food Source In The Recirculating Aqmentioning

confidence: 99%

Biofloc Technology: Emerging Microbial Biotechnology for the Improvement of Aquaculture Productivity

Jamal

Broom

Al-Mur

et al. 2020

Polish Journal of Microbiology

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With the significant increases in the human population, global aquaculture has undergone a great increase during the last decade. The management of optimum conditions for fish production, which are entirely based on the physicochemical and biological qualities of water, plays a vital role in the prompt aquaculture growth. Therefore, focusing on research that highlights the understanding of water quality and breeding systems’ stability is very important. The biofloc technology (BFT) is a system that maximizes aquaculture productivity by using microbial biotechnology to increase the efficacy and utilization of fish feeds, where toxic materials such as nitrogen components are treated and converted to a useful product, like a protein for using as supplementary feeds to the fish and crustaceans. Thus, biofloc is an excellent technology used to develop the aquaculture system under limited or zero water exchange with high fish stocking density, strong aeration, and biota. This review is highlighted on biofloc composition and mechanism of system work, especially the optimization of water quality and treatment of ammonium wastes. In addition, the advantages and disadvantages of the BFT system have been explained. Finally, the importance of contemporary research on biofloc systems as a figure of microbial biotechnology has been emphasized with arguments for developing this system for better production of aquaculture with limited natural resources of water.

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“…To reduce the damage, water with high nitrogen concentration would be directly discharged, which results in the eutrophication of ambient water bodies (Dauda et al, 2019; Thomsen et al, 2020). Biofloc technology (BFT) is very attractive for reducing inorganic nitrogen due to low cost and energy consumption, enhancing the assimilation of ammonium through the addition of carbon sources, to form biofloc that consists of algae, microorganisms, protozoa and particulate organic matter with zero or low water exchange rates (Avnimelech, 1999; Badiola et al, 2018; Hisano et al, 2019). In consideration of cost and availability, the most frequently used carbon sources are starch, sucrose, glucose, glycerol, molasses, flour and bran (Dauda, 2020; Wei et al, 2016), and Luo et al (2020) suggested insoluble biodegradable polymers such as poly‐β‐hydroxybutyric (PHB), polycaprolactone (PCL) and polybutylene succinate (PBS) as carbon source added in biofloc system (Luo et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Effect of carbon source and C/N ratio on microbial community and function in ex situ biofloc system with inoculation of nitrifiers and aerobic denitrifying bacteria

Qiu

Liao

Wang

et al. 2021

Aquaculture Research

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To control the inorganic nitrogen and biofloc concentrations in the biofloc system, it is necessary to intensify the nitrogen removal by nitrification and denitrification. In this study, nitrifiers and aerobic denitrifying bacteria were inoculated into aquaculture wastewater, with 16.80 mg/L of nitrogen input per day after start‐up, and by addition of glucose and citrate C/N to 9 and 12, without adding carbon source as control (C/N 6.17). The concentrations of inorganic nitrogen, total nitrogen and biofloc, and the diversity of the microbial community were investigated during the experimental period of 40 days. The results showed that 84.17–89.97% of nitrogen input was removed in all the treatments, residual nitrogen was higher in the glucose treatments. Lower inorganic nitrogen at a higher C/N ratio was obtained with the addition of the same carbon source due to more assimilation. Among all, the citrate treatment at C/N 12 obtained the best control in inorganic nitrogen concentrations and better in biofloc concentration owing to efficient dissimilation and assimilation. Moreover, from day 26 to day 40, the number of detected OTUs increased by 22.90–58.40% while the Shannon indices have not changed much in all the treatments. Ten of the top 15 genera were the typical denitrifying genera in each treatment, the total abundance of these decreased by 7.00% to 58.00% while that of Paracoccus, as one of the denitrifiers added, increased by 3.00% to 25.00%. This suggested that the addition of citrate at higher C/N could improve the denitrification function of biofloc system.

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Evaluation of Nile tilapia in monoculture and polyculture with giant freshwater prawn in biofloc technology system and in recirculation aquaculture system

Cited by 29 publications

References 45 publications

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

Biofloc Technology: Emerging Microbial Biotechnology for the Improvement of Aquaculture Productivity

Effect of carbon source and C/N ratio on microbial community and function in ex situ biofloc system with inoculation of nitrifiers and aerobic denitrifying bacteria

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