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- Title
Copper Nanoparticles Mitigate the Growth, Immunity, and Oxidation Resistance in Common Carp (Cyprinus carpio).
- Authors
Dawood, Mahmoud A. O.; Eweedah, Nabil M.; Moustafa, Eman Moustafa; El-Sharawy, Mohamed E.; Soliman, Ali A.; Amer, Asem A.; Atia, Mesbah Hagag
- Abstract
The present investigation aimed to evaluate the influence of copper nanoparticles (Cu-NPs) on the growth, immunity, and oxidation resistance of common carp (3.02 ± 0.01 g, initial mean weight ± S.E.). Five groups of fish fed diets with Cu-NPs at 0, 0.5, 1, 2, and 4 mg/kg for 8 weeks. The results suggested that Cu-NPs in diets increased the growth performance and reduced FCR with linear and quadratic model (P < 0.05). Also, common carp fed Cu-NPs showed increased carcass protein, lipid, and ash contents in a dose-dependent manner (P < 0.05). The Cu accumulation in the carcass, liver, muscle, and gills increased by Cu-NPs and showed the maximum at 4 mg Cu-NPs/kg (P < 0.05). No significant alterations were found in the blood variables due to Cu-NP supplementation except for the Hb, RBCs, total protein, albumin, and globulin levels which showed the highest level in 2 mg/kg (P < 0.05). IgM level, phagocytic, lysozyme, SOD, CAT, and GPX activities were boosted by Cu-NPs with decreased malondialdehyde (MDA) content (P < 0.05). Based on regression analysis, the requirement of dietary Cu-NPs for common carp was estimated to be 2.19 to 2.91 mg/kg diet.
- Subjects
CARP; IMMUNITY; NUTRITIONAL requirements; NANOPARTICLES; OXIDATION; FISH feeds
- Publication
Biological Trace Element Research, 2020, Vol 198, Issue 1, p283
- ISSN
0163-4984
- Publication type
Article
- DOI
10.1007/s12011-020-02068-0