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Research Article: The effects of four types of specific probiotic on growth performance, liver enzymes and immune indices of juvenile Persian sturgeon (Acipenser persicus)
S. Bazari Moghaddam *, M. Pourjaafari
International Sturgeon Research Institute, Agricultural Research Education and Extension Organization (AREEO) , Soheilbm274@gmail.com
Abstract:   (347 Views)
In the present study, the effects of specific and native probiotics were examined on growth factors, liver enzyme indices, and immunity of Persian sturgeon (Acipenser persicus) in the juvenile stage. Three hundred juvenile Persian sturgeon with a mean weight of 92.5±0.5 g fed with 4 different diets (3 replicates for each) were in 500-l fiberglass tanks (25 fish per tank) for 8 weeks. Treatments included: 0 (control), 1.5×107 (treatment 1), 3×107 (treatment 2) and 4.5×107 (treatment 3) CFU kg-1 specific probiotic per kg of feed. At the end of the experiment, the results indicated that there were remarkable differences between treatments, in terms of condition factor, food conversion ratio, specific growth rate, and weight gain percentage compared to the control group (p<0.05). In addition, no mortality was observed in probiotic-treated groups. There was no significant difference between probiotic and control groups in liver enzymes included ALT, AST, ALP, and LDH (p>0.05). IgM and lysozyme were significantly higher in probiotic-fed groups compared to the control group (p<0.05). Overall, the results indicated that growth factors, biochemical and immunity indicators of fish fed with diet containing specific probiotic and mainly treatment 2 (3×107 CFU kg-1) were in the acceptable condition in comparison to the control group.
Keywords: Growth factors, Probiotic, Acipenser persicus, Liver enzymes, Immune indices
Full-Text [PDF 308 kb]   (155 Downloads)    
Type of Study: Orginal research papers | Subject: aquaculture
Received: 2020/03/20 | Accepted: 2021/02/16 | Published: 2021/07/19
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Bazari Moghaddam S, Pourjaafari M. Research Article: The effects of four types of specific probiotic on growth performance, liver enzymes and immune indices of juvenile Persian sturgeon (Acipenser persicus). IJFS. 2021; 20 (4) :1179-1191
URL: http://jifro.ir/article-1-4272-en.html


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Volume 20, Issue 4 (2021) Back to browse issues page
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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