2013
DOI: 10.5433/1679-0359.2013v34n2p927
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Qualidade física e química da água em sistema fechado de recirculação durante o cultivo de juvenis de tilápia-do-Nilo

Abstract: ResumoO trabalho teve por objetivo avaliar o efeito do filtro e do tempo de cultivo de alevinos de tilápia-doNilo sobre a qualidade de água do sistema de recirculação fechado. Foram utilizados 1.350 alevinos de tilápia-do-Nilo (Oreochromis niloticus) em delineamento experimental de blocos casualizados e esquema de parcelas subdivididas no tempo, com doze tratamentos e três repetições. Os tratamentos foram constituídos pela combinação de dois locais de coleta de água (antes do filtro mecânico e após o filtro bi… Show more

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Cited by 3 publications
(8 citation statements)
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“…This is probably due to the chemical composition of the eggshell, composed mostly of calcium carbonate. The EC increase throughout the cultivation period can be explained by the dissolution of the eggshell in the system and by the accumulation of ions from the mineralization of feed residues from the fish excreta (Marengoni et al, 2013).…”
Section: Water Quality In Recirculation Systemsmentioning
confidence: 99%
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“…This is probably due to the chemical composition of the eggshell, composed mostly of calcium carbonate. The EC increase throughout the cultivation period can be explained by the dissolution of the eggshell in the system and by the accumulation of ions from the mineralization of feed residues from the fish excreta (Marengoni et al, 2013).…”
Section: Water Quality In Recirculation Systemsmentioning
confidence: 99%
“…The higher the EC, the higher the concentration of TSS (Stallbohm, 2019). This does not necessarily imply that all soluble solids are ions, but in most cases, the soluble solids that contribute significantly to the EC are ionic compounds that dissociate into ions in water and allow the passage of the electric current (Marengoni et al, 2013).…”
Section: Water Quality In Recirculation Systemsmentioning
confidence: 99%
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“…A aquicultura é uma atividade baseada no cultivo de organismos aquáticos, como peixes, moluscos, crustáceos e plantas aquáticas em meio confinado e controlado (MARENGONI et al 2013).…”
Section: Introductionunclassified