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Efficacy of synbiotic Jerusalem artichoke and Lactobacillus rhamnosus GG-supplemented diets on growth performance, serum biochemical parameters, intestinal morphology, immune parameters and protection against Aeromonas veronii in juvenile red tilapia (Oreochromis spp.).

Authors
  • Sewaka, Mariya1
  • Trullas, Clara1
  • Chotiko, Arranee2
  • Rodkhum, Channarong3
  • Chansue, Nantarika4
  • Boonanuntanasarn, Surintorn5
  • Pirarat, Nopadon6
  • 1 Wildlife Exotic and Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand. , (Thailand)
  • 2 Department of Biology Faculty of Science and Technology Rajamangala University of Technology Thanyaburi Pathumthani, Thailand. , (Thailand)
  • 3 Department of Veterinary Microbiology, Thailand. , (Thailand)
  • 4 Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand. , (Thailand)
  • 5 School of Animal Production Technology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand. , (Thailand)
  • 6 Wildlife Exotic and Aquatic Animal Pathology-Research Unit, Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand. Electronic address: [email protected] , (Thailand)
Type
Published Article
Journal
Fish & Shellfish Immunology
Publisher
Elsevier
Publication Date
Mar 01, 2019
Volume
86
Pages
260–268
Identifiers
DOI: 10.1016/j.fsi.2018.11.026
PMID: 30439500
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Synbiotics, a synergistic combination of probiotics and prebiotics, are currently regarded as one of the most practical nutritional supplements in tilapia farms. In this study, the effect of supplementing the diet of red tilapia (Oreochromis spp.) with Jerusalem artichoke (Helianthus tuberosus) and Lactobacillus rhamnosus GG (LGG) was evaluated. Growth performance, serum biochemical parameters, intestinal morphology, goblet cell counts, immune parameters and protection against Aeromonas veronii challenge were determined. The results showed that fish fed with synbiotic-supplemented diets had a significantly higher (P < 0.05) feed conversion ratio (FCR), specific growth rate (SGR), and average daily gain (ADG) than fish fed with a control diet. The synbiotic-supplemented diet increased glucose, total protein and the total cholesterol levels. The absorptive area of the proximal and distal intestine of fish fed on the synbiotic diet was significantly higher (P < 0.05) than in those fed with probiotics (LGG), prebiotic-supplemented diets (JA), and the control diet. Goblet cell counts revealed that the numbers of acid mucous cells, neutral mucous cells and double-staining mucous cells of fish fed the synbiotic-supplemented diet (JA + LGG) were significantly higher (P < 0.05) in the proximal and distal intestine. Fish fed the synbiotic-supplemented diets also exhibited significantly higher (P < 0.05) lysozyme activity. The cumulative mortalities of fish fed with a synbiotic-supplemented diet were significantly lower than those of fish fed other diets. The results suggested the beneficial effect of JA and LGG synbiotic diet on growth performance and health status of red tilapia. Direct administration of JA and LGG in fish feed can be used as a practical nutritional supplement in red tilapia. Copyright © 2018 Elsevier Ltd. All rights reserved.

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