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Updated: May 15, 2025

Analysis of Oxidative Stress in Zebrafish Embryos
Published on: July 7, 2014
Insect-Antioxidants Symbiotic Nexus-Pathway for Sustainable and Resilient Aquaculture: A Case Study for Evaluating
Alina Antache1,2,3, Ira-Adeline Simionov1,2, Ștefan-Mihai Petrea1,2
1Department of Food Science, Food Engineering, Biotechnology and Aquaculture, Faculty of Food Science and Engineering, "Dunărea de Jos" University of Galați, 800008 Galați, Romania.
Abstract:
Various innovative fish feeds were tested for the production of koi carp in a recirculating aquaculture system, considering insect meal (Acheta domestica) as the main protein source and phytogenic additives (Curcuma longa-turmeric and Beta vulgaris-beetroot) as antioxidants, in the spirit of sustainable aquaculture practice. The growth performance, metabolic rate (respirometry), hematological profile, blood biochemical indicators, and oxidative stress of koi carp were determined, using feeds according to the following experimental design: CF-commercial feed, IF-innovative feed based on cricket meal, BIF-innovative feed (IF) with beetroot, and TIF-innovative feed (IF) with turmeric. The TIF recorded the best growth rate. The lowest values of lipid peroxidation (MDA), standard metabolic rate (SMR), and routine metabolic rate (RMR) were registered for the IF and TIF variants. A reduction in MDA was noted, correlated to the decrease in the metabolic rate regarding SMR and RMR for the IF and TIF. An intensification in amylase was recorded in the TIF and BIF. Compared with the CF, it seems that the IF, TIF, and BIF had a beneficial effect on the koi carp by reducing cholesterol, HDL cholesterol, alanine aminotransferase, triglycerides, and urea and by increasing the concentration of calcium and growth hormone in the blood plasma.
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