Applying biofloc technology in the culture of juvenile of
            <i>Piaractus brachypomus</i>
            (Cuvier, 1818): Effects on zootechnical performance and water quality

Sandoval‐Vargas, Leydy Y.; Jiménez‐Amaya, Martha N.; Rodríguez-Pulido, José A.; Guaje-Ramírez, Diana Nataly; Ramírez-Merlano, Juan A; Medina‐Robles, Víctor M.

doi:10.1111/are.14734

Cited by 10 publications

(2 citation statements)

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“…The current consensus is that BFT systems can promote fish growth with typical filter‐feeding habits, improving feed conversion rates (Avnimelech & Kochba, 2009). Omnivorous species can consume these microbial flocs, which become a complementary source of food (Dauda et al, 2020; Poli et al, 2018; Sandoval‐Vargas et al, 2020). Furthermore, in southern Brazil, winter temperatures are commonly below 10°C (Garcia et al, 2008), affecting the development of pacu juveniles (Urbinati et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, this system could contribute to the increase in growth and survival of pacu in juvenile phase, mainly during the coldest seasons of the year, where the cultivation in acclimatized BFT system would minimize the negative effects of low temperatures. We are not aware of BFT application in the pacu species, although previous studies have reported its effectiveness in the same genus, for example pirapatinga ( Piaractus brachypomus ) (Abad et al, 2014; Garcés et al, 2017; Sandoval‐Vargas et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

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Effects of suspended solids in the survival and haematological parameters of pacu juveniles ( Piaractus mesopotamicus ) in a biofloc technology culture system

Pellegrin

Nitz

Pinto

et al. 2021

Aquaculture Research

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This study determined the effects of total suspended solids (TSS) on pacu (Piaractus mesopotamicus) culture in a biofloc technology (BFT) system by performing two experiments. Experiment 1 evaluated the LC50-96 h of pacu at seven TSS levels (0, 1500, 3000, 4000, 5000, 6000 and 7000 mg L −1 ). Experiment 2 evaluated haematological variables (glucose, pH, haematocrit, haemoglobin, erythrocytes and haematimetric indices) in juveniles exposed to five different sublethal TSS concentrations (0, 250, 500, 750 and 1000 mg L −1 ) for 5 days. Treatments below 5000 mg L −1 did not cause mortality, and the LC50-96 h of TSS was estimated at 5477 mg L −1 . The TSS concentrations that caused mortality in pacu juveniles were extremely high and rarely maintained in culture systems. Exposure to high TSS concentrations (mainly 750 and 1000 mg L −1 ) increased blood glucose, pH, heamatocrit, erythrocytes, haemoglobin values and haematimetric indices on the first day. On the fifth day, most of the evaluated parameters stabilized at different TSS concentrations. In conclusion, pacu exposed to high TSS concentrations for short periods may undergo physiological changes, and TSS concentrations below 250 mg L −1 are recommended for its culture in a BFT system.

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