Effects of clove oil on behavioral reactivity and motivation in Nile tilapia

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dc.contributor.authorda Silva, Dneson Ricardo [UNESP]
dc.contributor.authorArvigo, Alexandre Luiz [UNESP]
dc.contributor.authorGiaquinto, Percília Cardoso [UNESP]
dc.contributor.authorDelicio, Helton Carlos [UNESP]
dc.contributor.authorBarcellos, Leonardo José Gil
dc.contributor.authorBarreto, Rodrigo Egydio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de Passo Fundo
dc.contributor.institutionUniversidade Federal de Santa Maria
dc.date.accessioned2021-06-25T10:37:03Z
dc.date.available2021-06-25T10:37:03Z
dc.date.issued2021-02-15
dc.description.abstractEssential oils have been used as potential substitutes for synthetic anesthetics in aquaculture. In this context, the oil extracted from parts of the clove plant (Eugenia caryophyllata) has been used as anesthetic. This oil has been considered effective, since induces anesthesia quickly, reflex recovery is brief and has low mortality rate. However, it is unknown whether there are changes in stimuli reactivity and behavioral motivational in fish after anesthesia recovery. As the effects of anesthetics are on the central nervous system, it is plausible to assume such possibilities. Here we tested this hypothesis using Nile tilapia, a relevant species for aquaculture. Operationally, we measured elements of feeding and aggressive behaviors to infer effects on reactivity to stimuli and motivation. For this, using the bath exposure technique, we submitted the fish to 3 different conditions: 1) negative control (without anesthetic) and two alcoholic solutions of clove oil diluted in water 2) 50 mg/l and 3) 100 mg/l. Tilapia were anesthetized by bathe exposure into buckets until reach the classic stage II of anesthesia. After, they were introduced into test aquaria (1 fish per aquarium) for future observations. Control fish (0 mg/L) were exposed to the same procedures and remained into the buckets until the longest period for one of the fish in the batch to reach stage II of anesthesia. Tilapia were kept in the aquaria for 4 consecutive days and, while the feeding behavior was evaluated daily, the aggressive behavior was evaluated on the second and fourth days. Here, we provide evidences that clove oil did not affect reactivity to stimuli and motivation regarding these evaluated behaviors. Thus, we reinforce the safe use of clove oil in aquaculture practices that require anesthesia in fish.en
dc.description.affiliationAquaculture Center São Paulo State University (UNESP) – CAUNESP
dc.description.affiliationDepartment of Structural and Functional Biology Institute of Biosciences of Botucatu UNESP, R. Prof. Dr. Antônio Celso Wagner Zanin, 250 - Distrito de Rubião Junior – Botucatu
dc.description.affiliationPrograma de Pós-graduação em Bioexperimentação Universidade de Passo Fundo
dc.description.affiliationPrograma de Pós-graduação em Ciências Ambientais Universidade de Passo Fundo
dc.description.affiliationPrograma de Pós-graduação em Farmacologia Universidade Federal de Santa Maria
dc.description.affiliationUnespAquaculture Center São Paulo State University (UNESP) – CAUNESP
dc.description.affiliationUnespDepartment of Structural and Functional Biology Institute of Biosciences of Botucatu UNESP, R. Prof. Dr. Antônio Celso Wagner Zanin, 250 - Distrito de Rubião Junior – Botucatu
dc.identifierhttp://dx.doi.org/10.1016/j.aquaculture.2020.736045
dc.identifier.citationAquaculture, v. 532.
dc.identifier.doi10.1016/j.aquaculture.2020.736045
dc.identifier.issn0044-8486
dc.identifier.scopus2-s2.0-85093693806
dc.identifier.urihttp://hdl.handle.net/11449/206718
dc.language.isoeng
dc.relation.ispartofAquaculture
dc.sourceScopus
dc.subjectAggression
dc.subjectAnesthesia
dc.subjectClove oil
dc.subjectEssential oil
dc.subjectFeeding behavior
dc.titleEffects of clove oil on behavioral reactivity and motivation in Nile tilapiaen
dc.typeArtigo

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Jaboticabal - CAUNESP - Centro de Aquicultura da Unesp