Effects of clove oil on the stress response of matrinxã (Brycon cephalus) subjected to transport

  • Inoue L
  • Afonso L
  • Iwama G
  • et al.
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Abstract

Fish transport is one of the most stressful procedures in aquaculture facilities. The present work evaluated the stress response of matrinxã to transportation procedures, and the use of clove oil as an alternative to reduce the stress response to transport in matrinxã (Brycon cephalus). Clove oil solutions were tested in concentrations of 0, 1, 5 and 10 mg/L during matrinxã transportation in plastic bags, supplied with water and oxygen as the usual field procedures in Brazil. Clove oil reduced some of the physiological stress responses (plasma cortisol, glucose and ions) that we measured. The high energetic cost to matrinxã cope with the transport stress was clear by the decrease of liver glycogen after transport. Our results suggest that clove oil (5 mg/l) can mitigate the stress response in matrinxã subjected to transport.O transporte de peixes vivos é certamente um dos principais estímulos adversos à homeostase dos peixes nas condições de criação em cativeiro. O presente trabalho mensurou o estresse do matrinxã (Brycon cephalus), quando submetido ao transporte em sacos plásticos, bem como avaliou os efeitos do uso do anestésico óleo de cravo nessa etapa do manejo. Foram testadas as concentrações de 0, 1, 5 e 10 mg/L de óleo de cravo em bolsas plásticas preenchidas com água e oxigênio, de acordo com as práticas comumente utilizadas no Brasil. O óleo de cravo reduziu algumas das principais respostas ao estresse (cortisol, glicose plasmática e íons) mensuradas. O alto gasto de energia para o matrinxã tolerar o transporte foi evidenciado pela diminuição dos valores de glicogênio hepático. Os resultados sugerem que o óleo de cravo em concentração de 5 mg/L pode atenuar as principais respostas de estresse do matrinxã durante o transporte.

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APA

Inoue, L. A. K. A., Afonso, L. O. B., Iwama, G. K., & Moraes, G. (2005). Effects of clove oil on the stress response of matrinxã (Brycon cephalus) subjected to transport. Acta Amazonica, 35(2), 289–295. https://doi.org/10.1590/s0044-59672005000200018

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