Effect of Salt in the Water for Transport on Survival and on Na+and K+Body Levels of Silver Catfish,Rhamdia quelen, Fingerlings

Gomes, Levy Carvalho; Golombieski, Jaqueline Ineu; Chippari-Gomes, Adriana Regina; Baldisserotto, Bernardo

doi:10.1300/j028v09n04_01

Cited by 30 publications

(27 citation statements)

References 11 publications

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“…To determine the body levels of Na + and K + , 3 fish were separated from each bag, placed individually into 15-mL tubes and then sacrificed by cooling on ice. The samples were weighed, measured, individually immersed in hydrochloric acid and allowed to dissolve in an oven at 80°C for 24 hours, according to the criterion for fish previously detailed by Gomes et al (1999). Readings were obtained using a flame photometer.…”

Section: Experiments 2 -Transportmentioning

confidence: 99%

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Salinity does not alter the effectiveness of menthol as an anesthetic and sedative during the handling and transport of juvenile fat snook (Centropomus parallelus)

2016

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The effectiveness of menthol as anesthetic and sedative for fat snook (Centropomus parallelus) was tested at different salinities. In the first experiment, the fish were exposed to different concentrations of menthol (25, 37 and 50 mg L -1 ) in water at different salinities (0, 17 and 36 ppt). In the second experiment, the fish were transported for 10 hours in water with menthol at concentrations of 0, 3.7 and 7.4 mg L -1 under different salinities. Na + and K + ions from fish body and water were analyzed after transport. The optimal concentrations of menthol for a short handling period and surgical induction was 37 and 50 mg L -1 , respectively, and these values were independent of salinity. After transport, neither mortality nor significant changes in ammonia or dissolved oxygen were observed between treatments at the different salinities. The nitrite levels were lower in freshwater than in brackish and saltwater, but did not change with mentol. The total body levels of Na + increased with the salinity increase. Menthol is an effective anesthetic for handling of juvenile fat snook at different salinities. Menthol did not influence the measured water parameters and body ions, and it is not necessary for the transport of fat snook.Keywords: anesthesia, stress, fish, body ions, sedation.Salinidade não altera a eficácia de mentol como um anestésico e sedativo durante a manipulação e transporte de juvenis de robalo peva (Centropomus parallelus) ResumoA eficácia de mentol como anestésico e sedativo para o robalo peva (Centropomus parallelus) foi testada em diferentes salinidades. No primeiro experimento, os peixes foram expostos a diferentes concentrações de mentol (25, 37 e 50 mg L -1 ) em diferentes salinidades na água (0, 17 e 36 ppt). No segundo experimento, os peixes foram transportados por 10 horas em água com mentol nas concentrações de 0, 3,7 e 7,4 mg L -1 sob diferentes salinidades. O Na + e K + do corpo do peixe e a água foram analisados após o transporte. As concentrações ideais de mentol para um período curto de manipulação e indução cirúrgica foi 37 e 50 mg/L, respectivamente, sendo esses valores independentes da salinidade da água. Após o transporte, não foi verificado mortalidades e nem alterações significativas nos níveis da amônia e oxigênio dissolvido entre os tratamentos para as diferentes salinidades. Os níveis de nitrito foram mais baixos em água doce do que em água salobra e água salgada, mas não se alterou com o mentol. Os níveis corporais de Na + e K + aumentaram com o aumento da salinidade. Mentol é um eficaz anestésico para manipulação de robalo peva juvenil em diferentes salinidades. Mentol não influenciou os parâmetros de medição de água e íons do corpo, e não é necessário para o transporte de robalo peva.

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Section: Experiments 2 -Transportmentioning

confidence: 99%

“…Anesthetization therefore ensures that the fish are handled correctly (Inoue et al, 2003(Inoue et al, , 2005Small, 2003).…”

Section: Introductionmentioning

confidence: 99%

Salinity does not alter the effectiveness of menthol as an anesthetic and sedative during the handling and transport of juvenile fat snook (Centropomus parallelus)

2016

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“…Transport in plastic bags is the most used system for fish transport in Brazil (GOMES et al, 1999;GOLOMBIESKI et al, 2003;CARNEIRO et al, 2009). The high transport cost request the use of a small amount of water and the highest load density possible, which cause accumulation of metabolites and deteriorate water quality (GOLOMBIESKI et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

“…Ammonia is the dominant end product of nitrogen metabolism in most teleosts, including silver catfish (GOLOMBIESKI et al, 2013), and is toxic at low concentrations (IP & CHEW, 2010). During transport the concentration of this metabolite increases and may be a potential risk that influences fish survival and duration of transport (GOMES et al, 1999;GOLOMBIESKI et al, 2003;CARNEIRO et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Studies regarding silver catfish transportation analyzed the effect of salt addition in the water of transport, load density, temperature, time of transport and load density (GOMES et al, 1999;GOLOMBIESKI et al, 2003;CARNEIRO et al, 2009). The stress of transport is associated with catecholamine liberation, which increases branchial perfusion and consequently increases ion loss to the water (RANDALL & PERRY, 1992).…”

Section: Introductionmentioning

confidence: 99%

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Net ion fluxes and ammonia excretion during transport of Rhamdia quelen juveniles

2015

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Transportation of silver catfish, Rhamdia quelen, in water with eugenol and the essential oil of Lippia alba

Becker

Parodi

Heldwein

et al. 2011

Fish Physiol Biochem

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114

108

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This study investigated the effectiveness of eugenol and of the essential oil (EO) of Lippia alba when used in the transport of the silver catfish (Rhamdia quelen). These investigations involved measurements of blood (pH, PvO(2), PvCO(2) and HCO(3) (-)) and water parameters, survival and ionoregulatory balance. Fish (301.24 ± 21.40 g, 28.90 ± 1.30 cm) were transported at a loading density of 169.2 g L(-1) for 4 h in fifteen plastic bags (7 L) divided into five treatments: control, 1.5 or 3.0 μL L(-1) of eugenol and 10 or 20 μL L(-1) of EO of L. alba. The water parameters were measured before (0 h) and after (4 h) transportation. The net Na(+), Cl(-) and K(+) losses were higher in fish from the control treatment compared to the other treatments. The PvO(2), PvCO(2) and HCO(3) (-) increased significantly in all of the treatments at the end of the transport period. In conclusion, based on the water (total ammonia nitrogen) and ionoregulatory indicators determined in the present study, our findings indicate that eugenol and the EO of L. alba are recommended for use in the transport of this species because these anesthetics apparently reduce stress.

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Effect of Salt in the Water for Transport on Survival and on Na⁺and K⁺Body Levels of Silver Catfish,Rhamdia quelen, Fingerlings

Cited by 30 publications

References 11 publications

Salinity does not alter the effectiveness of menthol as an anesthetic and sedative during the handling and transport of juvenile fat snook (Centropomus parallelus)

Salinity does not alter the effectiveness of menthol as an anesthetic and sedative during the handling and transport of juvenile fat snook (Centropomus parallelus)

Net ion fluxes and ammonia excretion during transport of Rhamdia quelen juveniles

Transportation of silver catfish, Rhamdia quelen, in water with eugenol and the essential oil of Lippia alba

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