Dietary cosupplementation with curcumin and different selenium sources (nanoparticulate, organic, and inorganic selenium): influence on growth performance, body composition, immune responses, and glutathione peroxidase activity of rainbow trout (Oncorhynchus mykiss)

The aim of this study was to investigate the effects of dietary selenium (nanoparticles, organic, and inorganic forms), curcumin (CUR), and their combination on survival, growth performance, body composition, innate immune responses, and glutathione peroxidase activity of rainbow trout ( Oncorhynchu...

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Bibliographic Details
Published in:Fish physiology and biochemistry 2019-04, Vol.45 (2), p.793-804
Main Authors: Kohshahi, Ayyoub Jamali, Sourinejad, Iman, Sarkheil, Mehrdad, Johari, Seyed Ali
Format: Article
Language:English
Subjects:
Animal Anatomy
Animal Biochemistry
Animal Physiology
Biomedical and Life Sciences
Body composition
Curcumin
Diet
Feed composition
Feed conversion
Fish
Freshwater & Marine Ecology
Freshwater fishes
Glutathione
Glutathione peroxidase
Histology
Immune response
Innate immunity
Life Sciences
Lysozyme
Morphology
Nanoparticles
Oncorhynchus mykiss
Peroxidase
Physical growth
Salmon
Selenium
Sodium
Sodium selenite
Survival
Trout
Weight
Zoology
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Summary:The aim of this study was to investigate the effects of dietary selenium (nanoparticles, organic, and inorganic forms), curcumin (CUR), and their combination on survival, growth performance, body composition, innate immune responses, and glutathione peroxidase activity of rainbow trout ( Oncorhynchus mykiss ). CUR at level of 400 mg/kg dry diet and each of selenium nanoparticles (Se-NPs), organic selenium (Sel-Plax®), and sodium selenite at level of 1 mg/kg Se dry diet were added to basal diet. A total of 240 rainbow trout with mean initial weight of 14.65 ± 0.86 g were fed eight diets including control (basal diet), CUR, Se-NPs, Se-NPs + CUR, organic Se, organic Se + CUR, sodium Se, and sodium Se + CUR for 8 weeks. No significant increase in survival rate, growth performance, feed utilization, and body composition was observed in fish-fed CUR and Se included diets compared to control ( P  > 0.05). The highest lysozyme and alternative hemolytic complement activity was observed in fish-fed CUR and organic Se + CUR-supplemented diets ( P  
ISSN:0920-1742
1573-5168
DOI:10.1007/s10695-018-0585-y