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:: Volume 5, Issue 4 (3-2018) ::
JAIR 2018, 5(4): 75-86 Back to browse issues page
Effect of prebiotic Inulin on resistance of intestinal lactobacillus against environmental stresses; temperature, salinity, aerial exposure, pH and density in Zebra fish Danio rerio (Hamilton, 1822)
Mahdie Fadaee Raienee * , Tayebeh Enayat Gholampour , Ehsan Ahmadifar
Abstract:   (4104 Views)

The present study evaluated the effect of inulin supplementation on resistance of intestinal lactobacillus against environmental stress; salinity, temperature aerial exposure, pH and density in Zebra fish (D. rerio). In this study, during the experimental period (60 days), the larva received ad libitum four experimental diets. Four different treatments were as follow: T0 = control; T1 = 1 g/kg; T2 = 2 g/kg and T3 = 3 g inulin/ kg diet (three replicates per diet). The results showed that the resistance to environmental stresses in the fish fed with different levels of inulin was higher than in the control fish group. Moreover, the results of the acidity resistance test in fish fed with T2 and T3 was significantly higher than the control and T1 group. The results showed that the fish fed with experimental diets had significantly higher resistance to salinity stress compared with control group and fish fed with 3 gr inulin/kg diet (T3), had shown the highest level of salinity resistance. No significant difference was observed in survival percentage and temperature stress resistance between control group and experimental treatments. Resistance to aerial exposure test indicated that the minimum survival was observed in T0 and there was no significant difference between T2 and T3. According to the results, no significant difference was observed in density of lactobacillus among different treatments but there was significant difference between control group and experimental diets. Finally, the consumption of 3 g inulin/kg diet is recommended for achievement of high resistance to environmental stress and improvement the intestinal flora in Zebra fish.

Keywords: D. rerio, Environmental stress, Intestinal lactobacillus, Prebiotic inulin.
Full-Text [PDF 353 kb]   (1326 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/09/25 | Accepted: 2016/12/21 | Published: 2018/03/20
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Fadaee Raienee M, Enayat Gholampour T, Ahmadifar E. Effect of prebiotic Inulin on resistance of intestinal lactobacillus against environmental stresses; temperature, salinity, aerial exposure, pH and density in Zebra fish Danio rerio (Hamilton, 1822). JAIR 2018; 5 (4) :75-86
URL: http://jair.gonbad.ac.ir/article-1-416-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 5, Issue 4 (3-2018) Back to browse issues page
نشریه علمی پژوهشی پژوهشهای ماهی شناسی کاربردی Journal of Applied Ichthyological Research
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