et al., J. (2025). Uses of Cloves Eugenia caryophyllus to Anesthetize Young Silver Carp Hypophthalmichthys molitrix. Egyptian Journal of Aquatic Biology and Fisheries, 29(2), 1551-1558. doi: 10.21608/ejabf.2025.420696
Jabir et al.. "Uses of Cloves Eugenia caryophyllus to Anesthetize Young Silver Carp Hypophthalmichthys molitrix". Egyptian Journal of Aquatic Biology and Fisheries, 29, 2, 2025, 1551-1558. doi: 10.21608/ejabf.2025.420696
et al., J. (2025). 'Uses of Cloves Eugenia caryophyllus to Anesthetize Young Silver Carp Hypophthalmichthys molitrix', Egyptian Journal of Aquatic Biology and Fisheries, 29(2), pp. 1551-1558. doi: 10.21608/ejabf.2025.420696
et al., J. Uses of Cloves Eugenia caryophyllus to Anesthetize Young Silver Carp Hypophthalmichthys molitrix. Egyptian Journal of Aquatic Biology and Fisheries, 2025; 29(2): 1551-1558. doi: 10.21608/ejabf.2025.420696
Uses of Cloves Eugenia caryophyllus to Anesthetize Young Silver Carp Hypophthalmichthys molitrix
This study tested the effectiveness of clove extract Eugenia caryophyllus as an anaesthetic for silver carp Hypophthalmichthys molitrix using five concentrations (80, 90, 100, 120, and 140mg/ L). These concentrations were applied to two groups of fish with different weights. The first group weighed between 5 and 5.5g, and the second group was between 9 and 10.5 g. The objective was to evaluate the effect of anesthesia and to follow up the stages of recovery. The results showed that all tested concentrations were effective in inducing anesthesia, as the duration of loss of consciousness for fish weighing 5-5.5g ranged between 12 and 25 minutes, and for fish weighing 9-10.5g, the duration was between 10 and 20 minutes when using a concentration of 80 mg/L. The recovery time ranged between 15 and 19 minutes for the first group and between 12 and 27 minutes for the second group at a concentration of 140 mg/L. The study indicated a direct relationship between increasing the extract's concentration and the anesthesia's effectiveness; the duration of the onset of anesthesia decreased with increasing concentration, while the recovery period increased. It was also shown that the last parts of the body affected by anesthesia are the first to regain movement during recovery. In contrast, concentrations less than 80 mg/L did not show a clear effect in causing anesthesia. This study recommends the possibility of using clove extract as an anesthetic substance for transporting silver carp fish or using it in artificial reproduction operations, provided that the concentration is controlled to ensure safety, without causing harmful effects.
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