2015
DOI: 10.1590/1519-6984.16213
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Cultivation of marine shrimp in biofloc technology (BFT) system under different water alkalinities

Abstract: The aim of this study was to evaluate the influence of different levels of alkalinity for the superintensive cultivation of marine shrimp Litopenaeus vannamei in biofloc system. A total of 12 experimental circular units of 1000L were used supplied with 850L water from a nursery, populated at a density of 165 shrimps.m -3 and average weight of 5.6 g. The treatments, in triplicate, consisted in four levels of alkalinity in the water: 40, 80, 120 and 160 mg.L -1 of calcium carbonate. To correct the alkalinity was… Show more

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Cited by 21 publications
(11 citation statements)
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“…A number of biotic factors, including stocking size and density, supplemental feed and natural food availability have been reported to affect biofloc production, efficiency and use for shrimp aquaculture (Xu & Pan 2014a;Zhu et al 2016;Esparza-Leal et al 2020). Abiotic factors, including temperature, oxygen, pH, alkalinity, light exposure, total nitrogen, ammonia, nitrite and nitrate, also play a similar role in shrimp production in BFT systems (Hostins et al 2015;Pi erri et al 2015;. Some other culture conditions, such as the addition of carbon source (to maintain appropriate C/N ratio), water exchange and rearing substrates, are also of prime importance for optimal performance of shrimp and prawn in biofloc systems (Schveitzer et al 2013a;Huang et al 2017;Olier et al 2020).…”
Section: Factors Affecting Shrimp Culture In Biofloc Systemsmentioning
confidence: 99%
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“…A number of biotic factors, including stocking size and density, supplemental feed and natural food availability have been reported to affect biofloc production, efficiency and use for shrimp aquaculture (Xu & Pan 2014a;Zhu et al 2016;Esparza-Leal et al 2020). Abiotic factors, including temperature, oxygen, pH, alkalinity, light exposure, total nitrogen, ammonia, nitrite and nitrate, also play a similar role in shrimp production in BFT systems (Hostins et al 2015;Pi erri et al 2015;. Some other culture conditions, such as the addition of carbon source (to maintain appropriate C/N ratio), water exchange and rearing substrates, are also of prime importance for optimal performance of shrimp and prawn in biofloc systems (Schveitzer et al 2013a;Huang et al 2017;Olier et al 2020).…”
Section: Factors Affecting Shrimp Culture In Biofloc Systemsmentioning
confidence: 99%
“…Contrary to the above results, Piérri et al . (2015) found that juvenile white shrimp ( L. vannamei ) (5.6 g) in BFT system can be grown successfully at lower alkalinity. When the shrimp were reared at different alkalinities (40, 80, 120 and 160 mg CaCO 3 L −1 ), pH and TSS decreased at lower alkalinity, while survival and growth rate were not significantly affected.…”
Section: Factors Affecting Shrimp Culture In Biofloc Systemsmentioning
confidence: 99%
“…In general, FG genotype gained 68.5% more weight than HR genotype when fed vegetalbased diet. The relationship between feed intake and final biomass per dietary treatment was measured with the FCR indicator (Pi erri et al 2015) and values within the acceptable ranges were observed. According to FCR values, FG shrimp genotype had a higher feed efficiency than HR shrimp genotype, but FG shrimp genotype requires animal protein for higher final biomass.…”
Section: Resultsmentioning
confidence: 93%
“…The optimum temperature is 28–30 °C for sustainable shrimp aquaculture [ 47 ]. The pH is to be maintained in the range between 6.8 and 8.0 due to ammonia–nitrate-nitrogen conversion processes in Biofloc [ 48 ]. Probiotic bacteria depend on suspended solids as a substrate for adhesion and as a source of energy from carbon in Biofloc systems [ 49 ].…”
Section: Environmental Sensorsmentioning
confidence: 99%