Addition of Lippia alba (Mill) N. E. Brown essential oil to the diet of the silver catfish: An analysis of growth, metabolic and blood parameters and the antioxidant response

Saccol, Etiane M.H.; Uczay, Juliano; Pês, Tanise S.; Finamor, Isabela; Ourique, Giovana M.; Riffel, Alessandro; Schmidt, Denise; Caron, Braulio Otomar; Heinzmann, Berta Maria; Llesuy, Susana; Lazzari, Rafael; Baldisserotto, Bernardo; Pavanato, María A.

doi:10.1016/j.aquaculture.2013.09.036

Cited by 65 publications

(69 citation statements)

References 44 publications

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“…Apparently, dietary addition of both EOLA concentrations for 20 days did not change Rhamdia quelen metabolism since these parameters were not affected. R. quelen fed with dietary EOLA for 60 days also did not show significant alteration in most of these biochemical parameters in the plasma, but the liver and muscle glycogen increased and hepatic glucose decreased in R. quelen fed 0.50 mL EOLA kg food -1 (Saccol et al, 2013). Therefore, probably dietary EOLA only change R. quelen metabolism after a long-term treatment.…”

Section: Discussionmentioning

confidence: 81%

“…The EOLA was obtained from fresh leaves of L. alba by hydrodistillation in a Clevenger apparatus for 2 h (Council of Europe (COE), 2007) and stored at -20 o C until use. The composition of the EOLA was the same as that described by Saccol et al (2013): the major components of the EO were linalool (55.26%), 1,8-cineole (7.85%),γ-muurolene (4.63%), β-caryophyllene (3.15%) and E-carveol (2.79%).…”

Section: Methodsmentioning

confidence: 97%

“…Three concentrations of the EOLA in the diet (0-control, 0.25 and 0.50 mL kg food -1 ) were added to the ingredients together with canola oil. The EOLA concentrations were the lowest concentrations that improved antioxidant status in R. quelen (Saccol et al, 2013). The amount of feed offered and the unconsumed remains were weighed to determine feed intake.…”

Section: Methodsmentioning

confidence: 99%

“…In Rhamdia quelen (Quoy & Gaimard 1824), the essential oil of L. alba (EOLA) is an effective anesthetic (Cunha et al, 2010) and sedative for transport (Azambuja et al, 2011;Becker et al, 2012), can delay lipid peroxidation (LPO) during frozen storage of fillets (Veeck et al, 2013) and decreases LPO and increases tissue antioxidant response when added to the diet (Saccol et al, 2013). The EOLA is also an effective anesthetic for the sea horse (Hippocampus reidi) (Cunha et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…A recent study demonstrated that feeding R. quelen with different levels of dietary EOLA for 60 days does not affect growth, but alters some metabolic parameters and improves the antioxidant status (Saccol et al, 2013). However, it is not known whether the effect of EOLA on anesthesia and antioxidant status may induce any protective effect in R. quelen exposed to non-optimal culture situations, as at a stocking density of 10.6 kg m -3 , which is considered stressful for this species when fish are maintained in a limited space (tanks or cages around up to 300-400 L) (Barcellos et al, 2004;Menezes et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Rhamdia quelen (Quoy & Gaimard, 1824), submitted to a stressful condition: effect of dietary addition of the essential oil of Lippia alba on metabolism, osmoregulation and endocrinology

et al. 2015

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The aim of this study was to evaluate the effect of the essential oil of Lippia alba (EOLA) as a feed additive on ionoregulatory and metabolic parameters and pituitary hormones expression in silver catfish, Rhamdia quelen, submitted to a stressful condition (stocking density of 10.6 kg m -3 and limited space). Fish were fed with different concentrations of EOLA (0.0 -control, 0.25 and 0.50 mL kg food -1 ) for 20 days. Metabolic parameters were not affected by the diet, with the exception of alanine aminotransferase, which was higher in the liver of fish fed 0.50 mL EOLA kg food -1. Plasma ions and activity of H + -ATPase did not change, but fish fed 0.25 mL EOLA kg food -1 presented higher Na + /K + -ATPase activity. Somatolactin expression in the pituitary was higher in the fish fed 0.25 mL EOLA kg food, but the expression of growth hormone and prolactin did not change. Therefore, dietary EOLA does not exert a protective effect in R. quelen submitted to a stressful situation because it did not alter most measured parameters. The use of 0.25 mL EOLA kg food -1 seems to be more suitable than 0.50 mL EOLA kg food -1 since the latter may be related to liver damage.O objetivo deste estudo foi avaliar o efeito do óleo essencial de Lippia alba (OELA) como aditivo em rações na ionoregulação, parâmetros metabólicos e expressão de hormônios hipofisários em jundiás, Rhamdia quelen, submetidos a uma situação estressante (densidade de estocagem de 10,6 kg m -3 e espaço limitado). Os peixes foram alimentados com diferentes concentrações de OELA (0,0 -controle, 0,25 e 0,50 mL kg de ração -1 ) durante 20 dias. Parâmetros metabólicos não foram afetados pela dieta, com a exceção da alanina aminotransferase, que foi mais elevada no fígado dos peixes alimentados com 0,50 mL de OELA kg de ração -1. Íons plasmáticos e a atividade da H + -ATPase não apresentaram nenhuma alteração, mas os peixes alimentados com 0,25 mL OELA kg de ração -1 apresentaram maior atividade da Na + / K + -ATPase. A expressão da somatolactina na hipófise de peixes alimentados com 0,25 mL OELA kg de ração -1 aumentou, porém a expressão do hormônio de crescimento e da prolactina não mudou. Portanto, a adição do OELA na ração não tem um efeito protetor em jundiás submetidos a uma situação estressante, pois não influiu na maioria dos parâmetros medidos. O uso de 0,25 mL OELA kg de ração -1 parece ser mais adequado que 0,50 mL OELA kg de ração -1, uma vez que este nível de inclusão pode estar relacionado a danos hepáticos.

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Section: Discussionmentioning

confidence: 81%

Section: Methodsmentioning

confidence: 97%

Section: Methodsmentioning

confidence: 99%