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Essential oil of Ocimum gratissimum (Linnaeus, 1753): efficacy for anesthesia and transport of Oreochromis niloticus
Fish Physiology and Biochemistry ( IF 2.9 ) Pub Date : 2020-11-16 , DOI: 10.1007/s10695-020-00900-x
Andre Lima Ferreira , Gisele Cristina Favero , Túlio Pacheco Boaventura , Carine de Freitas Souza , Nathália Soares Ferreira , Sharine Nunes Descovi , Bernardo Baldisserotto , Berta Maria Heinzmann , Ronald Kennedy Luz

This study aimed to evaluate the essential oil of Ocimum gratissimum L. (EOOG) for anesthesia and in the transport of Oreochromis niloticus. Experiment I determined the time of anesthesia induction and recovery during anesthesia of O. niloticus exposed to different concentrations of EOOG (0, 30, 90, 150, and 300 mg L−1). Based on data from Experiment I, Experiment II evaluated the effect of 0, 30, and 90 mg L−1 EOOG on blood parameters and oxidative stress immediately after anesthesia induction and 1 h after recovery. Experiment III evaluated the effect of 0, 5, and 10 mg L−1 EOOG on blood variables immediately after 4.5 h of transport of juveniles. Concentrations between 90 and 150 mg L−1 EOOG were efficient for anesthesia and recovery. The use of 90 mg L−1 of EOOG prevented an increase in plasma glucose. Other changes in blood parameters and oxidative stress are discussed. The use of 10 mg L−1 EOOG in transport increased plasma glucose and decreased hematocrit values immediately after transport. It is concluded that the use of 90 and 150 mg L−1 EOOG causes anesthesia and recovery in O. niloticus within the time intervals considered ideal. The use of 90 mg L−1 EOOG favored stable plasma glucose soon after anesthesia induction and 1 h after recovery, but caused changes in the antioxidant defense system by increasing hepatic and kidney ROS. The transport of 12 g O. niloticus for 4.5 h can be performed with concentration of 5 mg L−1 of EOOG.



中文翻译:

免费的Ocimum gratissimum(Linnaeus,1753):麻醉和运输尼罗罗非鱼的功效

这项研究旨在评估香茅(Ocimum gratissimum L.)(EOOG)的麻醉油和尼罗罗非鱼Oreochromis niloticus)转运的精油。实验I确定了暴露于不同浓度的EOOG(0、30、90、150和300 mg L -1)的尼罗罗非鱼麻醉期间的诱导和恢复时间。根据实验I的数据,实验II评估了麻醉诱导后和恢复后1 h,0、30和90 mg L -1 EOOG对血液参数和氧化应激的影响。实验III评估了0、5和10mg L -1的作用在运输幼体4.5小时后立即对血液变量进行EOOG。90至150 mg L -1 EOOG之间的浓度对麻醉和恢复有效。EOOG的90 mg L -1的使用可防止血浆葡萄糖增加。讨论了血液参数和氧化应激的其他变化。运输后立即使用10 mg L -1 EOOG可增加血浆葡萄糖并降低血细胞比容值。结论是,在被认为理想的时间间隔内,使用90和150 mg L -1 EOOG会导致尼罗罗非鱼的麻醉和恢复。使用90 mg L -1EOOG促成麻醉后不久和恢复后1 h维持稳定的血糖水平,但通过增加肝和肾ROS引起抗氧化防御系统的改变。可以在5 mg L -1的EOOG浓度下运输12 g尼罗罗非鱼4.5 h 。

更新日期:2020-11-16
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