2018
DOI: 10.17765/2176-9168.2018v11n1p9-30
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Parâmetros Limnológicos Em Viveiros De Piscicultura Semi-Intensiva De Tambaqui Com Abastecimento Em Disposição Sequencial

Abstract: A piscicultura é um dos segmentos da produção animal que mais cresce no cenário mundial; neste ramo a qualidade da água é preocupação constante, pois quando esta apresenta má qualidade causa problemas na produção e pouca lucratividade. Objetivou-se avaliar a qualidade da água com base em algumas variáveis limnológicas em viveiros de piscicultura de engorda de tambaqui (Colossoma macropomum) com abastecimento em disposição sequencial. Os resultados indicaram que o regime de chuvas e o manejo durante o ciclo de … Show more

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Cited by 7 publications
(10 citation statements)
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References 7 publications
(8 reference statements)
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“…The levels found by , in a case study in the municipality of Ji-Paraná, with pH values between 5.69 and 7.32 also agree with those from the present study. Hurtado et al, (2018) also observed similar values (6.4 to 9.1) in an investigation conducted in the Tancredópolis district, where tambaqui fish were cultured with a continuous water flow supply.…”
Section: Potential Of Hydrogen (Ph)supporting
confidence: 77%
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“…The levels found by , in a case study in the municipality of Ji-Paraná, with pH values between 5.69 and 7.32 also agree with those from the present study. Hurtado et al, (2018) also observed similar values (6.4 to 9.1) in an investigation conducted in the Tancredópolis district, where tambaqui fish were cultured with a continuous water flow supply.…”
Section: Potential Of Hydrogen (Ph)supporting
confidence: 77%
“…The values obtained for this parameter agree with studies carried out in neighboring regions, such as the investigation by , with variations of DO between 0.95 and 7.5 mg.L -1 ; Paiva (2014) with values ranging from 0.5 to 5.5 mg.L -1 ; also observed by Silva and Carneiro (2007) even with DO concentrations considered low, ranging from 0.2 to 6.5 mg.L -1 ; Hurtado et al, (2018), who studied the rearing of tambaqui in sequentially laid out ponds, obtained results ranging from 2.5 to 5.1 mg.L -1 ; Silva et al (2017) who studied the polyculture of species in ponds also obtained averages between 3.15 and 5.84 mg.L -1 ; none of the above-mentioned studies reported mortality.…”
Section: Dissolved Oxygen (Do)mentioning
confidence: 99%
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“…It is also worth noting that environments with high pH levels tend to present a higher amount of non-ionized ammonia, a more toxic chemical form among those generated by the protein catabolism of most aquatic organisms (Campos et al, 2012;Hurtado et al 2018).…”
Section: /7mentioning
confidence: 99%
“…A very high amount of total ammonia in the culture water will make it difficult for the fish to eliminate these compounds, thus ending up accumulating them in their tissues. However, nitrite, a chemical compound generated by the incomplete nitrification of total ammonia to nitrate, is toxic for the fish due to its combination with hemoglobin, originating something known as methemoglobin, a substance unable to keep performing the plasmatic tasks of its predecessor responsibility, making it impossible to continue the O 2 transport service through the blood vessels with the same efficiency (Hurtado et al, 2018).…”
Section: /7mentioning
confidence: 99%