The effectiveness of surfactants applied with essential oil of Lippia alba in the anesthesia of Nile tilapia (Oreochromis niloticus) and their toxicity assessment for fish and mammals

Postay, Lais Frigini; Cabral, Dandara Silva; Heringer, Otávio Arruda; Vieira, Luiza Valli; Moraes, Lauro Roger de; Freitas, Gabrieli; Gomes, Levy Carvalho

doi:10.1007/s11356-020-11483-8

Cited by 9 publications

(3 citation statements)

References 41 publications

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“…The results concluded positive effects of incorporating EOs in tilapia diets on feed utilization, digestion capacity, the abundance of beneficial microorganisms in the intestine, metabolic functions, immune response, antioxidative status, and resistance against infection. Further, EOs increased the resistance of tilapia against unstable farming conditions and exposure to toxins and xenobiotics (Magouz et al, 2021;Postay et al, 2021). Accordingly, this study was carried out to test the possible effects of using a mixture of EOs on the growth, blood health, antioxidative and immune responses of Nile tilapia.…”

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confidence: 99%

A blend of herbal essential oils enhanced the growth performance, blood bio-immunology traits, and intestinal health of Nile tilapia (Oreochromis niloticus)

Magouz

El-Din

Amer³

et al. 2022

Annals of Animal Science

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Nile tilapia fed four levels (0, 0.25, 0.5, and 1 ml/kg) of a liquid blend of herbal essential oils (EOs) contains carvacrol, oregano, 1,8 cineol, thymol, pinene, pinene β, limonene, and propylene glycol for 60 days. The results showed higher final weight, weight gain, and specific growth rate (P<0.05) in fish delivered 0.25 and 0.5 ml EOs/kg than the control. However, the feed conversion ratio was markedly reduced in fish fed 0.5 and 1 ml EOs/kg (P<0.05). Lipase showed enhanced activity in fish subjected to a blend of EOs, while fish fed 0.5 ml/kg of EOs blend had higher amylase activity (P<0.05) than the other levels. Lysozyme activity and superoxide dismutase showed a higher value in fish received 0.5 ml EOs/kg. Additionally, phagocytic and catalase activities enhanced in fish received 0.5 and 1 ml/kg while phagocytic index enhanced in fish fed 1 ml/kg (P<0.05). Interestingly, the total immunoglobulin level was markedly higher, while malondialdehyde was lower in EOs-subjected fish (P<0.05) than in control. The histomorphology appearance of the intestine, liver, and spleen were enriched in EOs-treated fish comparing the control fish. In conclusion, the growth performance, feed efficiency, and blood bio-immunological indices of fish fed 0.5–1 ml of EOs blend per kg had the best performances.

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confidence: 99%

A blend of herbal essential oils enhanced the growth performance, blood bio-immunology traits, and intestinal health of Nile tilapia (Oreochromis niloticus)

Magouz

El-Din

Amer³

et al. 2022

Annals of Animal Science

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“…Moreover, to demonstrate the full safety of the anesthetic, in addition to the parameters evaluated in the present study, a battery of genotoxicity indicators is under assessment. The goal is to evaluate the possible induction of genetic damage in exposed individuals [49], or in end consumers [50,51]. A comparison between a number of synthetic (e.g., benzocaine) and natural (e.g., eugenol) anesthetics showed that both might induce genotoxic effects in freshwater fish species [52].…”

Section: Discussionmentioning

confidence: 99%

“…Thus, an evaluation of doses to avoid genotoxicity is needed in order to reach the market [53]. For instance, Lippia alba essential oil was considered safe for fish and end consumers after the assessment of its genotoxicity [50,51].…”

Section: Discussionmentioning

confidence: 99%

Physiological Response of Atlantic Salmon (Salmo salar) to Long-Term Exposure to an Anesthetic Obtained from Heterosigma akashiwo

Gonçalves

Llanos-Rivera

Ruano

et al. 2022

Toxins

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Despite the invaluable role of anesthetics as a tool for ensuring animal welfare in stressful situations, there is currently a lack of anesthetic drugs that meet the requirements of intensive aquaculture. In response to the growing interest in anesthetic substances of natural origin, this study evaluated the physiological and health impact of an anesthetic based on an extract of the microalga Heterosigma akashiwo on juvenile salmon (Salmo salar) exposed for a period of 72 h. To simulate a condition closer to reality where fish are subjected to stimuli (e.g., transport), the animals were exposed to 50 mg L−1 of algal extract and to physical stress. Functional, physiological, and histological parameters were evaluated in blood and tissues at different sampling periods (0, 24, and 72 h). There was no mortality and the induction and recovery times observed were within the established criteria for anesthetic efficacy. The anesthetic extract did not induce any side effects, such as stress or metabolic damage, indicating that this extract is a viable option for supporting fish welfare during deleterious events. This study provides information to support that the anesthetic extract tested, derived from H. akashiwo, is a promising candidate drug for operations requiring sedation (e.g., Salmonid transport).

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Enhancing anesthesia and minimizing toxicity: evaluation of clove, Cinnamon, and tea tree essential oils in nile tilapia (Oreochromis niloticus)

Bona,

Passos,

Coppo

et al. 2024

Aquacult Int

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The effectiveness of surfactants applied with essential oil of Lippia alba in the anesthesia of Nile tilapia (Oreochromis niloticus) and their toxicity assessment for fish and mammals

Cited by 9 publications

References 41 publications

A blend of herbal essential oils enhanced the growth performance, blood bio-immunology traits, and intestinal health of Nile tilapia (Oreochromis niloticus)

A blend of herbal essential oils enhanced the growth performance, blood bio-immunology traits, and intestinal health of Nile tilapia (Oreochromis niloticus)

Physiological Response of Atlantic Salmon (Salmo salar) to Long-Term Exposure to an Anesthetic Obtained from Heterosigma akashiwo

Enhancing anesthesia and minimizing toxicity: evaluation of clove, Cinnamon, and tea tree essential oils in nile tilapia (Oreochromis niloticus)

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