ArticleScientific reports2021
The effects of feeding and starvation on antioxidant defence, fatty acid composition and lipid peroxidation in reared Oncorhynchus mykiss fry.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 22 citations in OpenAlex.
- Phenotype-Anchored Multi-Omics Reveals Mechanisms Underlying Starvation-Induced Body, Liver, and Gallbladder Discoloration in Rock Carp (Procypris rabaudi).Marine biotechnology (New York, N.Y.) · 2026Article
- Temporal plasticity of thermal tolerance and cellular responses in Atlantic salmon (Salmo salar) during warm acclimation and subsequent cold acclimation to baseline temperature.Fish physiology and biochemistry · 2026Article
- Oxidative Stress Markers in the Common BreamVeterinary sciences · 2026Article
- Rainbow trout welfare: comparing stunning methods in winter and summer.Fish physiology and biochemistry · 2025Article
- Effect of forced molting on the antioxidant status of laying hens and a new strategy for alleviating postmolting syndrome.Open veterinary journal · 2025Article
- Article
- Identification of food deprivation in salmonids using gill biomarkers.Conservation physiology · 2025Article
- Influence of Starvation on Biochemical, Physiological, Morphological, and Transcriptional Responses Associated with Glucose and Lipid Metabolism in the Liver of Javelin Goby (Animals : an open access journal from MDPI · 2024Article
- A short-term of starvation improved the antioxidant activity and quality of African catfish (Clarias gariepinus).Fish physiology and biochemistry · 2024Article
- Characterization of threeFrontiers in physiology · 2024Article
- Captivating Colors, Crucial Roles: Astaxanthin's Antioxidant Impact on Fish Oxidative Stress and Reproductive Performance.Animals : an open access journal from MDPI · 2023Review
- Effects of Starvation and Refeeding on Growth, Digestion, Nonspecific Immunity and Lipid-Metabolism-Related Genes inAnimals : an open access journal from MDPI · 2023Article
- Partial immune responses in Sichuan bream (Frontiers in immunology · 2023Article
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The effects of feeding and starvation have been studied with respect to oxidative stress and enzymatic antioxidant activities in the whole body of 4 cm rainbow trout fry Oncorhynchus mykiss (Walbaum 1792). The experiment was conducted for 28 days. The selected biomarkers for the study were determined, including non-enzymic scavengers glutathione (GSH), oxidized glutathione (GSSG) and malondialdehyde (MDA) contents and a number of enzymes are known to have major antioxidant activity, such as activities of süperoksit dismutaz (SOD), catalase (CAT), glutatyon peroksidaz (GSHpx), glutatyon Redüktaz (GR) and Glutatyon-S-Transferaz (GST). There is an endogenous cellular glutathione pool which consists of two forms of glutathione, i.e. the GSH and the GSSG. Oxidative damage was measured by the formation of MDA as an indication of lipid peroxidation. The activities of SOD in 14th and 28th day and the activity of CAT in 14th day were increased significantly during the 28 days of starvation. GSHpx and GR activities in starved fry decreased significantly in 28th day. GST activity in all starved fry showed the most significant increases the period of 28 days starving. The highest ΣSFA (Total Saturated Fatty Acid) content was obtained from 28 day starved fry. In starved fry, there was an apparent preference in utilization of C18:1n-9 than in the fed fry. In both starved and fed fry, C16:1n-7 was preferentially kept during the same period. Fry kept 28 days under starvation conditions exhausted C15:0, C17:0, C18:3n-6, C22:0, C24:0. They utilized less C20:5n-3 acid and conserved strongly C22:6n-3 acid. Concentrations of C20:5n-3, C22:5n-3, C22:6n-3 and total n-3 fatty acids significantly increased and C18:3n-3 significantly decreased in the whole body of starved fry during starvation period. A significant increase in the concentrations of C22:5n-3 and C22:6n-3 was determined in the fed fries in the last 2 weeks. Fat-soluble vitamins, cholesterol, stigmasterol and β-sitosterol levels were also determined in the same period of O. mykiss fry.
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