Development of aeration devices and feeding frequencies for oxygen concentration improvement in 60-tones freshwater recirculating aquaculture and biofloc ponds of Asian seabass (Lates calcarifer) rearing

Whangchai, Niwooti; Klahan, Rungkan; Unpaprom, Yuwalee; Ramaraj, Rameshprabu; Pimpimol, Tipsukhon

doi:10.1016/j.chemosphere.2022.135761

Cited by 12 publications

(4 citation statements)

References 19 publications

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“…The dissolved oxygen (DO) levels observed throughout the study remained within the acceptable range for aquaculture activities, ranging from 3.16 to 7.81 mgL -1 . The minimum DO requirement for aquaculture activities is 3 mgL -1 [33], while the recommended optimal DO level is above 5 mgL -1 [32,34]. This study's concentrations of ammonia, nitrite, and nitrate ranged from 0.32-4.30 x 10 -3 , 1.10-50.50 x 10 -2 , and 4.29-75.19 x 10 -2 mgL -1 , respectively.…”

Section: Water Qualitymentioning

confidence: 88%

Study of Bottom Substrate Variation in Zero Water Discharge Aquaculture for Mahseer Fish Tor soro Nursery

Setijaningsih,

Adiyana,

Thesiana

et al. 2023

Pol. J. Environ. Stud.

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Mahseer fish Tor soro was classified as one of Indonesia's endemic species distributed in Sumatra, Kalimantan, and Java islands [1]. Currently, among the 18 assessed Mahseer fish species by the International Union for Conservation of Nature (IUCN), 50% are classified as threatened to critically endangered. However, the T. soro and T. douronensis species, originating from Indonesia are not included in the IUCN Red List [2]. The Mahseer fish population is declining primarily due to the ongoing dependence on wild captures to fulfill consumer demands. Moreover, anthropogenic activities on deforestation, land conversion, and pollution of river or lake can disrupt crucial habitat conditions and environmental quality for Mahseer fish [1]. Addressing this issue necessitates the implementation of cultivation activities

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Section: Water Qualitymentioning

confidence: 88%

Study of Bottom Substrate Variation in Zero Water Discharge Aquaculture for Mahseer Fish Tor soro Nursery

Setijaningsih,

Adiyana,

Thesiana

et al. 2023

Pol. J. Environ. Stud.

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“…1. The dissolved oxygen (DO) concentration ranged from 4.34 to 6.90 mg L -1 , which meets the requirement of fish culture that demands DO concentration higher than 3 mg L -1 [31]. The measurement results indicated that treatment C (RAS with a combination of biofilter and microbubble) exhibited a higher DO concentration than the other treatments.…”

Section: Water Qualitymentioning

confidence: 90%

A Study of Environmentally Friendly Recirculating Aquaculture System on Lobster Panulirus homarus Nursery

Supriyono¹,

Adiyana²,

Thesiana³

2023

Pol. J. Environ. Stud.

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The surging demand for seafood commodities has instigated the development of efficient and eco-friendly aquaculture technologies. Among these innovations, RAS has gained widespread recognition as a pioneering solution. It can enhance water use efficiency, control water quality [1], abate environmental impacts, elevate aquacultural productivity and lower risk of disease outbreak [2].The global lobster catch data showed a decline from over 300,000 tons in the previous year to 255,000 tons in 2020 [3]. The decrease in environmental carrying

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“…Additionally, the intersection point of lines one and three (5.36, 7.32) indicated that when the DO concentration in AP effluent was less than 7.32 mg/L, the aeration process of the MBBR could increase the DO concentration, otherwise it would lead to the escape of DO from aquaculture water. In addition to preventing the waste of resources, DO management in an RAS needs to ensure the healthy growth of breeding organisms and the efficient operation of the MBBR [7,21]. In previous studies, the DO concentration was typically maintained at 6.5-7.5 mg/L during the high-density aquaculture of L. vannamei [4,6,22].…”

Section: The Analysis Methodsmentioning

confidence: 99%

Application of a U-Tube Oxygenator in a Litopenaeus vannamei Recirculating Aquaculture System: Efficiency and Management Models

Xu,

Du,

et al. 2023

Water

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This study investigated the dissolved oxygen (DO) variation pattern in a Litopenaeus vannamei recirculating aquaculture system (RAS) and established an oxygen-utilization rate (UROxygen) model, pure oxygen addition (QOxygen) model, and control model that linked a microscreen drum filter (MDF) with a U-tube oxygenator. The main objective was to promote the application of the U-tube oxygenator and achieve the efficient, accurate, and automated management of DO in an RAS. To avoid wasting oxygen and ensure production safety, it was recommended to maintain the effluent of the aquaculture pond at 6.9 ± 0.4 mg/L. The modeled relationship between the RAS flow (QRAS), QOxygen, and UROxygen was UROxygen = 0.9626 × (−105.3406 + 0.9911QRAS + 10.6202QOxygen − 0.05964QRASQOxygen − 1.2628 × 10−3QRAS2 − 0.1821QOxygen2 + 6.8888 × 10−5QRAS2QOxygen + 6.3993 × 10−4QRASQOxygen2). The modeled relationship between QRAS, daily feeding rate (MFeeding), and QOxygen was QOxygen = 1.09 × (−12.8633 − 0.02793QRAS + 0.9369 MFeeding − 8.9286 × 10−4MFeedingQRAS + 5.6122 × 10−5QRAS2 − 2.3281 × 10−3MFeeding2). The modeled relationship between the MDF backwashing period (TMDF) and QOxygen was QOxygen = −11.57ln(TMDF) + 78.319. This study provided a theoretical basis and novel methods for the management of DO in an RAS, thus promoting the healthy and stable development of an L. vannamei RAS.

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Development of aeration devices and feeding frequencies for oxygen concentration improvement in 60-tones freshwater recirculating aquaculture and biofloc ponds of Asian seabass (Lates calcarifer) rearing

Cited by 12 publications

References 19 publications

Study of Bottom Substrate Variation in Zero Water Discharge Aquaculture for Mahseer Fish <i>Tor soro</i> Nursery

Study of Bottom Substrate Variation in Zero Water Discharge Aquaculture for Mahseer Fish <i>Tor soro</i> Nursery

A Study of Environmentally Friendly Recirculating Aquaculture System on Lobster <i>Panulirus homarus</i> Nursery

Application of a U-Tube Oxygenator in a Litopenaeus vannamei Recirculating Aquaculture System: Efficiency and Management Models

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