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  • 标题:Effect of microalga-based diet on oxidative stress enzymes of African catfish, Clarias gariepinus
  • 本地全文:下载
  • 作者:Shaishav Sharma ; Ekta Shah ; Deepti Davla
  • 期刊名称:International Aquatic Research
  • 印刷版ISSN:2008-6970
  • 出版年度:2019
  • 卷号:11
  • 期号:4
  • 页码:377-387
  • DOI:10.1007/s40071-019-00245-z
  • 出版社:BioMed Central
  • 摘要:Abstract Here an indigenously isolated microalgal strain Ascochloris spp. cultivated in synthetic medium was evaluated as an aquaculture feed supplement. The daily dietary supplement includes microalgal feed (AF) and commercial diet feed (CF) (as control), respectively. These diets were fed separately to the juvenile Clarias gariepinus fishes ( n = 4) under controlled conditions for an experimental period of 100 days. The protein, glycogen and lipid contents in the muscle extracts were found to be marginally higher in fishes that were fed with CF than AF diet. Similarly, CF fishes showed significantly higher glutathione- s -transferase, catalase, superoxide dismutase, and lipid peroxidase activities, except glutathione content. Zero mortality of the fishes with no significant difference in the overall body mass with the two dietary supplements strongly suggests that algal biomass could supplement the requisite nutrients for their metabolic activities. This preliminary investigation helps in exploring algal biomass as a potential alternative feed additive in the aquaculture industry.
  • 关键词:Aquafeed Aquaculture Microalgae Oxidative enzymes In
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