Research Article:Effects of dietary selenium and zinc nanoparticles on growth performance, immune responses, and antioxidant enzymes activities o white leg shrimp (Litopenaeus vannamei)
Publish place: Iranian Journal of Fisheries Sciences، Vol: 21، Issue: 5
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-21-5_002
تاریخ نمایه سازی: 29 آذر 1401
Abstract:
In the present study selenium nanoparticles (Se-NPs) and zinc nanoparticles (Zn-NPs) included in the diets of white shrimp at ۰ mg (control), ۰.۳ mg Se-NPs/ kg feed (T۱), ۰.۱۵ mg Se-NPs+۱۵ mg Zn-NPs/kg feed (T۲) and ۳۰ mg Zn-NPs/kg feed (T۳). After ۸ weeks, shrimps fed both Se-NPs and Zn-NPs showed higher (p<۰.۰۵) final body weigh, weigh gain, and SGR than shrimp fed the control diet. On the other hand, the FCR was decreased by Se-NPs and Zn-NPs when compared to the control whereas both Se-NPs+Zn-NPs revealed lower FCR than the other groups (p<۰.۰۵). Shrimp fed Se-NPs or Se-NPs +Zn-NPs revealed higher survival rate than shrimp fed the control and Zn-NPs while shrimp fed Zn-NPs showed higher survival rate than shrimp fed the control (p<۰.۰۵). The total haemocyte count, large granular cells, semi granular cells, and semi granular cells revealed higher counts in shrimps fed Se-NPs and Zn-NPs than the control (p<۰.۰۵). Shrimp fed Se-NPs or Se-NPs+ Zn-NPs revealed higher catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidas (GPX) activities than shrimp fed the control and Zn-NPs while shrimp fed Zn-NPs showed higher catalase activity than shrimp fed the control (P<۰.۰۵). The total protein, lysozyme, and phenoloxidase activities increased in shrimp fed Se-NPs or/and Zn-NPs with the highest being in shrimp fed both in shrimp fed Se-NPs and Zn-NPs followed by those fed Se-NPs then Zn-NPs when compare to the control (p<۰.۰۵). In conclusion, the co supplementation of Se-NPs and Zn-NPs showed higher performances, antioxidant status, and immune responses in white shrimp than the individual supplementation of Se-NPs or Zn-NPs.
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Authors
M. Karamzadeh
Department of Fisheries, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
M. Yahyavi
Department of Fisheries, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
A.R. Salarzadeh
Department of Fisheries, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
D. Nokhbe Zare
Department of Fisheries, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas, Iran
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