Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/34071
Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Dietary supplementation of β-glucan improves growth performance, the innate immune response and stress resistance of red sea bream,Pagrus major
Author(s): Dawood, Mahmoud A O
Koshio, Shunsuke
Ishikawa, Manabu
Yokoyama, Saichiro
El Basuini, Mohammed F
Hossain, Md Sakhawat
Nhu, Truong H
Moss, Amina S
Dossou, Serge
Wei, Hongyi
Contact Email: amina.moss@stir.ac.uk
Keywords: blood chemistry
dietary β-glucan
growth
immunity
red sea bream
stress resistance
Issue Date: Feb-2017
Date Deposited: 16-Mar-2022
Citation: Dawood MAO, Koshio S, Ishikawa M, Yokoyama S, El Basuini MF, Hossain MS, Nhu TH, Moss AS, Dossou S & Wei H (2017) Dietary supplementation of β-glucan improves growth performance, the innate immune response and stress resistance of red sea bream,Pagrus major. Aquaculture Nutrition, 23 (1), pp. 148-159. https://doi.org/10.1111/anu.12376
Abstract: A 56-day feeding trial was conducted to evaluate the effects of supplemented diets with β-glucan (BG) at four levels [0 (D1), 250 (D2), 500 (D3) and 1000 (D4) mg BG kg−1] on red sea bream, Pagrus major. The obtained results revealed a significant increase (P < 0.05) in final body weight, weight gain, specific growth rate, feed intake, body protein content, lysozyme activity and tolerance against low-salinity stress test in all BG-supplemented groups when compared with BG-free group. Furthermore, D4 group resulted in a significant increase in feed efficiency ratio, protein gain, protein and lipid digestibilities, serum bactericidal activity and peroxidase content when compared with D1 group (P < 0.05). Haematocrit and plasma protein content in D3 group were significantly higher than those in D1 group (P < 0.05). Interestingly, BG supplementation decreased glutamic oxaloacetic transaminase (GOT) in D2 group and reactive oxygen metabolites in D2, D3 and D4 groups when compared with D1 group. Following low-salinity stress test, significantly higher amounts of secreted mucus were observed in fish fed D2 and D4 diets than those from fish fed D1 diet (P < 0.05). In conclusion, the supplementation of BG improves growth, stress resistance and immune response of P. major.
DOI Link: 10.1111/anu.12376
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