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The aim of this study was to examine the adverse effects of zinc nanoparticles on hematological indices of trout and investigate the improvement of these indices after vitamin C treatments. This study assesses the protective role of vitamin C in fish exposed to ZnO NPs. Two concentrations of ZnO-NPs (40 and 80 mg L^-1) and two doses of vitamin C (400 and 800 mg per kg of feed) were used to treat 162 specimens of Oncorhynchus mykiss. No mortality was observed during the test. After 5 and 10 days of exposure, hematological data were analyzed according to routine clinical methods. Statistical analysis showed significant changes in WBCs and RBC on day 10 (p<0.05). Values for HT and MCH were significantly higher in treatment 2 (normal diet+40 mg L^-1 ZnO-NPs) and 9 (800 mg/kg Vit + 80 mg L^-1 ZnO-NPs), and lower in treatment 3 (normal diet+80 mg L^-1 ZnO-NPs) in comparison with the control group (normal diet+0 mg L^-1 ZnO-NPs) (P<0.05). No significant differences of MCV and MCHC were observed (p>0.05), while significant increase in neutrophils and monocytes, and decrease in lymphocyte cells were recorded (p<0.05). ZnO-NPs stimulated the immune system of O. mykiss, but this effect did not have any lethality on this species at 40 and 80 mg L^-1. Vitamin C in different concentrations could help to prevent rainbow trout from the toxic effects of this nano metal.

Pertenece a

Aquatic Commons  


Chahardeh Baladehi, E. -  Hedayati, S.A.A. -  Kolangi Miandare, H. -  Bagheri, T. - 

Id.: 71465765

Idioma: inglés  - 

Versión: 1.0

Estado: Final

Tipo:  application/pdf - 

Palabras claveAquaculture - 

Tipo de recurso: Article  -  PeerReviewed  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

Formatos:  application/pdf - 

Requerimientos técnicos:  Browser: Any - 

Relación: [References] http://aquaticcommons.org/23026/

Fecha de contribución: 14-jun-2018


* Chahardeh Baladehi, E. and Hedayati, S.A.A. and Kolangi Miandare, H. and Bagheri, T. (2017) The hematological improvement of rainbow trout (Oncorhynchus mykiss) during dietary supplementation with vitamin C after exposure to zinc nano-particles. Iranian Journal of Fisheries Sciences, 16(1), pp. 162-169.

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