Effect of dietary taurine supplementation on the growth and blood physiological parameters of juvenile pirarucu

Rodrigues, Aline; Silva, Marcello Cappio Nunes; Beretta, Emiliano Salvatore; Fonseca, Flávio Augusto Leão da; Parisi, Giuliana; Conceição, Luı́s E.C.; Gonçalves, Lígia Uribe

doi:10.1590/1809-4392201904361

Cited by 5 publications

(2 citation statements)

References 30 publications

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“…They also found that taurine supplementation causes a decrease in the level of glucose in the blood of white seabream Diplodus sargus. However, the results of Rodrigues et al (2020) are not agreeable with the results of the current study, as they reported that taurine supplementation did not affect the physiological parameters of the blood, including glucose level in the pirarucu Arapaima gigas. The high blood sugar level in T1 can be attributed to the production of glucose after exposure to salt stress, which contributes to stimulating the process of building glucose from non-sugar materials (glyconeogenesis in the liver), in addition to taking glucose from the body (Nelson & Cox, 2005).…”

Section: Serum Glucose Contentcontrasting

confidence: 99%

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Effect of Amino Acid Taurine on Grass Carp Ctenopharyngodon idella Fingerlings during Salinity Stress

Salman¹

2022

Biol. Appl. Environ. Res.

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The present study was carried out to evaluate the effect of different levels of dietary taurine (0%, 1%, 2% and 3%) on grass carp Ctenopharyngodon idella fingerlings during salinity stress. Fishes (1.73-8.57 g) were fed a diet up to satiation twice daily for ten weeks in four treatments: T1, T2, T3 and T4. At the end of the feeding trial, fishes were stressed by exposure to 10 PSU salinity for 14 days during which fish survival rates, total protein, glucose, oxygen and energy consumption were observed. The results showed that there were no significant differences (P>0.5) in the survival rates between treatments, which ranged from 73.3% to 93.3%. Total protein and glucose were significantly (P≤0.05) improved by a dietary taurine diet after 14 days of salinity stress in T2 and T3. Taurine supplementation significantly (P≤ 0.05) influenced oxygen consumption with the highest value observed for T1 (255.8 mg O2/kg/hr) and T2 (213.6 mg O2/kg/hr), while the lowest value was in T3 (131.5 mg O2/kg/hr) and T4 (112.4 mg O2/kg/hr) after 14 days of salinity stress. Energy consumption rates were significant (P≤0.05) different between the treatments on the 14th day, T1 (0.85 kcal/kg/hr) significantly exceeded the other treatments, followed by T2 (0.72 kcal/kg/hr), T3 (0.44 kcal/kg/hr) and T4 (0.38 kcal/kg/hr). It appeared that taurine could be used as a feed supplement to confirm better energy consumption and blood biochemical parameters during salinity exposure of grass carp fingerlings with the optimal level of a 2% and 3% diet.

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Section: Serum Glucose Contentcontrasting

confidence: 99%

“…The results of the current study did not agree with Rodrigues et al (2020), who showed that taurine supplementation did not affect the level of total protein and other physiological parameters in the pirarucu A. gigas.…”

Section: Serum Total Protein Contentcontrasting

confidence: 99%

Effect of Amino Acid Taurine on Grass Carp Ctenopharyngodon idella Fingerlings during Salinity Stress

Salman¹

2022

Biol. Appl. Environ. Res.

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Sodium chloride against Dawestrema cycloancistrium in juvenile Arapaima gigas

Affonso

Queiroz

Ono³

et al. 2022

Aquacult Int

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The aim of the present study was to assess the use of sodium chloride (NaCl) against monogenoid infestations in pirarucu (Arapaima gigas). Two assays were conducted with pirarucu juveniles, the rst comprising an in vitro exposure to 8; 9; 10 and 11 g.L − 1 NaCl and comparison to controls not exposed to NaCl, and the second, an in vivo exposure to NaCl at the same concentrations applied in the in vitro exposure. The best in vitro results were observed for one hour exposures at 9, 10 and 11 g.L − 1 NaCl, resulting in 60% and 100% parasite mortality, respectively. In vivo exposures to 8 and 10 g.L − 1 NaCl were 36 and 22% e cient, respectively, following two hours of exposure, with no mortality. Some dosedependent changes were observed in exposed sh, such as decreased hemoglobin and HCM values at the highest NaCl concentration compared to the other NaCl concentrations and the control group. More frequent gill tissue alterations were observed compared to the control group at the highest NaCl concentrations (10 and 11 g.L − 1 ). Decreased mean (p < 0.05) water pH values and increased mean electrical conductivity were noted compared to the control group. Our ndings suggest that NaCl exhibits low toxicity towards pirarucu and anthelmintic activity to the monogenoid Dawestrema cycloancistrium, directly in uenced by exposure time and concentration.

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Growth performance, hematology parameters and Aeromonas hydrophila challenge of pirarucu (Arapaima gigas) in response to dietary protein levels

Epifânio

Silva

Dantas

et al. 2023

Trop Anim Health Prod

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Effect of dietary taurine supplementation on the growth and blood physiological parameters of juvenile pirarucu

Cited by 5 publications

References 30 publications

Effect of Amino Acid Taurine on Grass Carp Ctenopharyngodon idella Fingerlings during Salinity Stress

Effect of Amino Acid Taurine on Grass Carp Ctenopharyngodon idella Fingerlings during Salinity Stress

Sodium chloride against Dawestrema cycloancistrium in juvenile Arapaima gigas

Growth performance, hematology parameters and Aeromonas hydrophila challenge of pirarucu (Arapaima gigas) in response to dietary protein levels

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