Effects of dietary mannan oligosaccharide on growth performance, gut morphology and stress tolerance of juvenile Pacific white shrimp, Litopenaeus vannamei

An 8-week feeding trial was conducted to investigate the effects of dietary mannan oligosaccharide (MOS) on growth performance, gut morphology, and NH3 stress tolerance of Pacific white shrimp Litopenaeus vannamei. Juvenile Pacific white shrimp (1080 individuals with initial weight of 2.52 ± 0.01 g)...

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Published in:Fish & shellfish immunology 2012-10, Vol.33 (4), p.1027-1032
Main Authors: Zhang, Jian, Liu, Yongjian, Tian, Lixia, Yang, Huijun, Liang, Guiying, Xu, Donghui
Format: Article
Language:English
Subjects:
Ammonia - pharmacology
Animal Feed - analysis
Animals
Aquaculture
Diet - veterinary
Growth
Gut morphology
Immunity, Innate
Intestines - anatomy & histology
Intestines - drug effects
Litopenaeus vannamei
Mannan oligosaccharide
Mannans - administration & dosage
NH3 stress
Oligosaccharides - administration & dosage
Penaeidae - anatomy & histology
Penaeidae - growth & development
Penaeidae - immunology
Prebiotics - analysis
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Stress, Physiological
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Summary:An 8-week feeding trial was conducted to investigate the effects of dietary mannan oligosaccharide (MOS) on growth performance, gut morphology, and NH3 stress tolerance of Pacific white shrimp Litopenaeus vannamei. Juvenile Pacific white shrimp (1080 individuals with initial weight of 2.52 ± 0.01 g) were fed either control diet without MOS or one of five dietary MOS (1.0, 2.0, 4.0, 6.0 and 8.0 g kg−1) diets. After the 8-week feeding trial, growth parameters, immune parameters, intestinal microvilli length and resistance against NH3 stress were assessed. Weight gain (WG) and specific growth rate (SGR) were significantly higher (P 
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2012.05.001