Humoral and skin mucosal immune parameters, intestinal immune related genes expression and antioxidant defense in rainbow trout (Oncorhynchus mykiss) fed olive (Olea europea L.) waste

Fish & Shellfish Immunology
Seyed Hossein HoseinifarCaterina Faggio

Abstract

A six-week feeding trial was carried out to evaluate the effects of inclusion of dietary olive waste cake (OWC, 0, 0.5, 2.5 and 5 g kg-1 diet) on performance, antioxidant condition and immune responses of rainbow trout (Oncorhynchus mykiss) (2.5 ± 0.1 g). Supplementing diet with 2.5 and 5 g OWC kg-1 diet significantly enhanced serum and mucosal lysozyme activity in fish. Regarding mucosal immunity, fish fed 2.5 and 5 g OWC kg-1 diets had higher skin mucus total Ig concentrations than other groups. In relation to antioxidant status, those in 2.5 g OWC kg-1 and the control groups exhibited the highest and the least liver superoxide dismutase and glutathione peroxidase activities, respectively. Furthermore, the activity of liver glutathione S transferase in fish fed 2.5 and 5 g OWC kg-1 diets was higher than the other treatments. In respect to gut cytokines gene expression, our findings demonstrated dietary OWC did not influence interlukines-1β and 10 genes expression, but relative expression of IL8 gene gradually up-regulated with increasing dietary OWC level. Moreover, fish fed 0.5 g OWC kg-1 and the control diets had the highest and the lowest gut tumor necrosis factor-α gene expression values, respectively. The relative expres...Continue Reading

Citations

Jul 2, 2020·Foods·Nayely Leyva-LópezErika Y Sánchez-Gutiérrez
Nov 1, 2020·Fish Physiology and Biochemistry·Ehsan AhmadifarMorteza Yousefi
Apr 4, 2021·International Journal of Molecular Sciences·Ghasem RashidianCaterina Faggio
Oct 31, 2020·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Heba S HamedCaterina Faggio
Jul 9, 2021·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Iurych Nicolau Barros BussonsCaterina Faggio
Aug 28, 2021·Animals : an Open Access Journal From MDPI·Ehsan AhmadifarHien Van Doan

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