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IJFS 2018, 17 Back to browse issues page
Effect of dietary A-Max supplementation as a prebiotic on growth performance and hemato- immunological parameters of great sturgeon (Huso huso Linnaeus, 1758) juveniles
R. Akrami * , H. Chitsaz , F. Lakzaei
, akrami.aqua@gmail.com
Abstract:   (1213 Views)
An 8-week feeding trial was conducted to evaluate the effects of dietary commercial prebiotic A-Max, a mixture of mannan oligosaccharides, fructo oligosaccharides and β glucan, on growth and hemato-immunological parameters of great sturgeon (Huso huso) juveniles. After acclimation, fish (initial weight of 28.79±0.85 g) were placed into 12 tanks (30 fish per tank). Fish were fed a basal diet (containing 44% protein and 20% lipid) supplemented with 0 (control), 0.5, 1.0 and 1.5 g kg-1 A-Max in a totally randomized design in triplicate groups. At the end of the trial, growth factors and haemato-immunological parameters were assessed. Fish fed 1.5 g kg-1 prebiotic mixture displayed higher growth performances and feed efficiency compared to the control group (p>0.05). There were no significant differences in survival rate among all treatment groups (p>0.05). The results showed that RBC, WBC, lymphocyte, neutrophil, haematocrit and total protein were significantly affected by 1.5 g kg-1 dietary prebiotic mixture (p<0.05). An elevation of monocyte and haemoglobin (p>0.05) was found in the fish fed diet containing 1.0 g kg-1 prebiotic. In addition fish fed the diet with 1.5 g kg-1 prebiotic mixture showed a significant increase in lyzosyme activity, respiratory burst activity, serum total immunoglobulin (Ig) and alternative complement activity (ACH50) (p<0.05) compared with those fed the diets supplemented with other levels of prebiotics. The results showed that the addition of 1.5 g kg-1 prebiotic mixture to the diet of great sturgeon juveniles improving growth performance, some haematological parameters and immune response and seemed to be an effective immunostimulant.     
Keywords: Prebiotic mixture, Growth, Hematology, Immune response, Great sturgeon (Huso huso)
Full-Text [PDF 431 kb]   (501 Downloads)    
Type of Study: Orginal research papers |
Received: 2018/03/17 | Accepted: 2018/03/17 | Published: 2018/03/17
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Akrami R, Chitsaz H, Lakzaei F. Effect of dietary A-Max supplementation as a prebiotic on growth performance and hemato- immunological parameters of great sturgeon (Huso huso Linnaeus, 1758) juveniles. IJFS. 2018; 17 (2) :251-266
URL: http://jifro.ir/article-1-3348-en.html


Volume 17, Issue 2 (4-2018) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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