Behavioral and electrophysiological study in Colossoma macropomum treated with different concentrations of Nepeta cataria oil in an immersion bath revealed a therapeutic window for anesthesia

dos Santos, Murilo Farias; do Nascimento, Lorena Meirelis; da Paz, Clarissa Araújo; Câmara, Tays Mata; Motomya, Yan Kenzo Monteiro; da Cunha Ferreira, Rayllan; da Silva Deiga, Yris; Monteiro, Erika; Cantanhêde, Sildiane Martins; Amado, Lílian Lund; Hamoy, Moisés

doi:10.1007/s10695-024-01361-2

Fish Physiol Biochem

2024

DOI: 10.1007/s10695-024-01361-2

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Behavioral and electrophysiological study in Colossoma macropomum treated with different concentrations of Nepeta cataria oil in an immersion bath revealed a therapeutic window for anesthesia

Murilo Farias dos Santos,

Lorena Meirelis do Nascimento,

Clarissa Araújo da Paz

et al.

Abstract: Behavioral and electrophysiological study in Colossoma macropomum treated with different concentrations of Nepeta cataria oil in an immersion bath revealed a therapeutic window for anesthesia.

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Behavioral, electrocardiographic evaluation, and mechanism of action of Curcuma longa essential oil in juvenile tambaqui Colossoma macropomum (Cuvier, 1818) subjected to immersion baths at different concentrations

Cerqu,

de Araújo,

Eiró-Quirino

et al. 2024

Preprint

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The use of natural agents as anesthetics in fish management aims to minimize stress during procedures. This study aims to investigate the behavioral, electrocardiographic characteristics, and the pharmacological mechanism of action of Curcuma longa essential oil (CLEO) in Colossoma macropomum. The study was conducted on juvenile Colossoma macropomum (18.13 ± 2.1g) (n = 153), using CLEO concentrations of 125 µL.L⁻¹, 150 µL.L⁻¹, 175 µL.L⁻¹, 200 µL.L⁻¹, and 250 µL.L⁻¹, analyzing anesthetic induction and recovery behavior (Experiment I), electrocardiogram (Experiment II), and the underlying mechanism of action (Experiment III). Fish exposed to CLEO concentrations reached a deep anesthesia stage in a concentration-dependent manner. However, the effects obtained during anesthetic induction were reversible, both in behavioral parameters and cardiac activity. The mechanism of action was observed after administration of flumazenil 1 mg/kg i.p., which showed greater resistance to loss of postural reflex and shorter latency for recovery. The mechanism of action indicates involvement of inhibitory GABA neurotransmission. The cardiac effects at the concentrations used were compatible with anesthesia, but no arrhythmias occurred that could compromise the hemodynamics of the fish, demonstrating its safety for short-duration anesthesia induction in Colossoma macropomum.

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Behavioral, electrocardiographic evaluation, and mechanism of action of Curcuma longa essential oil in juvenile tambaqui Colossoma macropomum (Cuvier, 1818) subjected to immersion baths at different concentrations

Cerqu,

de Araújo,

Eiró-Quirino

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Behavioral and electrophysiological study in Colossoma macropomum treated with different concentrations of Nepeta cataria oil in an immersion bath revealed a therapeutic window for anesthesia

Abstract: Behavioral and electrophysiological study in Colossoma macropomum treated with different concentrations of Nepeta cataria oil in an immersion bath revealed a therapeutic window for anesthesia.

Cited by 1 publication

References 48 publications

Behavioral, electrocardiographic evaluation, and mechanism of action of Curcuma longa essential oil in juvenile tambaqui Colossoma macropomum (Cuvier, 1818) subjected to immersion baths at different concentrations

Behavioral, electrocardiographic evaluation, and mechanism of action of Curcuma longa essential oil in juvenile tambaqui Colossoma macropomum (Cuvier, 1818) subjected to immersion baths at different concentrations

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