Journal of Marine Science and Technology

Journal of Marine Science and Technology

Effect of different dietary prebiotic GroBiotic®-A on growth factors, survival rate, body composition and intestinal microflora of cultured juvenile Beluga (Huso huso)

Document Type : Original Manuscript

Authors
1 Department of Aquatic Animal Health and Diseases, Research Organization of Caspian Sea, Sari, Iran
2 Department of Microbiology, Research Organization of Caspian Sea, Sari, Iran
3 Department of Fishieries, Sari University of Agricultural Sciences and Natural Resources, Sari, Iran.
Abstract
This study was conducted to evaluate the effects of different levels of prebiotic GroBiotic®-A on growth factors, survival rate, body composition and intestinal microbiota of cultured juvenile beluga (Hous huso) in the sturgeon culture center (Samandak, Sari). Four groups of beluga sturgeon with mean weight of 40.82± 5.8 g were raised for 56 days in fiber glass tanks (20 fish to each tank) and feeding with different levels of GroBiotic®-A with concentrations of % 0, % 0.5, %1.0 and % 2.0 (Three replicates were used for each concentration). At the end of the trial, growth factors (final weight, weight gain, SGR, CF feed conversion ratio (FCR), body composition and intestinal microbiota (total viable bacteria and Lactobacillus spp. levels) were determined and compared with control group. Our results confirmed that juveniles fed on diet supplemented with 2% GroBiotic®-A had significantly higher growth factors and , survival rate compared to control and 0.5% treatment (P0.05). Total viable bacteria and Lactobacillus spp. count were increased during this study and these parameters significantly higher in 2% treatment compared to other treatments (P
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Volume 15, Issue 2
Autumn 2016
Pages 40-50

  • Receive Date 19 April 2014
  • Revise Date 20 October 2014
  • Accept Date 08 March 2015
  • Publish Date 22 August 2016