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Xylanase supplementation in plant protein-enriched diets improves growth performance by optimizing the intestinal microflora and enhancing the intestinal immune function in grass carp grow-out (Ctenopharyngodon idella)
Jin, Yu-Lin1; Zhou, Xiao-Qiu1,2,3; Jiang, Wei-Dan1,2,3; Wu, Pei1,2,3; Liu, Yang1,2,3; Jiang, Jun1,2,3; Zeng, Yun-Yun1,2,3; Kuang, Sheng-Yao4; Tang, Ling4; Zhang, Yong-An5; Feng, Lin1,2,3
2020-02-20
Source PublicationAQUACULTURE NUTRITION
ISSN1353-5773
Issue1Pages:20
Abstract

This study investigated the effect of xylanase supplementation of a plant protein-enriched diet on the growth performance and intestinal immune function of grass carp grow-out (Ctenopharyngodon idella). Five hundred forty healthy grass carp grow-out (232.74 +/- 0.12 g) were fed diets containing graded levels of xylanase for 60 days. The fish were then challenged with Aeromonas hydrophila for 14 days. The results indicated that xylanase supplementation (a) improved fish growth performance and optimized the intestinal microflora; (b) increased lysozyme and acid phosphatase activities, complement and immunoglobulin M levels and antibacterial peptide hepcidin mRNA levels, thereby enhancing fish intestinal immune function; and (c) attenuated intestinal inflammation associated with the inhibition of the NF-kappa B signalling pathway and activation of the TOR signalling pathway, resulting in the down-regulation of pro-inflammatory cytokines [except IL-1 beta and IL-12p40 in the distal intestine (DI) and IL-6 in the proximal intestine (PI)] and up-regulation of anti-inflammatory cytokines [except IL-4/13B and TGF-beta 1 in the mid intestine (MI) and DI]. Finally, on the premise of a basal diet containing 45.8 g/kg araboxylans (AXs), the appropriate supplementation levels based on the ability to improve per cent weight gain (PWG) and prevent enteritis were estimated to be 1,527 and 1,608 U/kg, respectively.

Keywordgrass carp (Ctenopharyngodon idella) growth performance intestinal immunity nuclear factor kappa B target of rapamycin xylanase
DOI10.1111/anu.13038
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000514618000001
WOS KeywordNF-KAPPA-B ; PHYSICAL BARRIER FUNCTION ; REDUCED GROWTH ; HEAD KIDNEY ; DISEASE RESISTANCE ; JUVENILE JIAN ; PHOSPHORUS DEFICIENCY ; ANTIOXIDANT STATUS ; LIPID-METABOLISM ; GUT MICROBIOTA
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35069
Collection水生生物分子与细胞生物学研究中心_期刊论文
Corresponding AuthorFeng, Lin
Affiliation1.Sichuan Agr Univ, Anim Nutr Inst, Chengdu 611130, Sichuan, Peoples R China
2.Sichuan Agr Univ, Fish Nutr & Safety Prod Univ Key Lab Sichuan Prov, Chengdu, Peoples R China
3.Sichuan Agr Univ, China Minist Educ, Key Lab Anim Dis Resistance Nutr, Chengdu, Peoples R China
4.Sichuan Acad Anim Sci, Anim Nutr Inst, Chengdu, Peoples R China
5.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Jin, Yu-Lin,Zhou, Xiao-Qiu,Jiang, Wei-Dan,et al. Xylanase supplementation in plant protein-enriched diets improves growth performance by optimizing the intestinal microflora and enhancing the intestinal immune function in grass carp grow-out (Ctenopharyngodon idella)[J]. AQUACULTURE NUTRITION,2020(1):20.
APA Jin, Yu-Lin.,Zhou, Xiao-Qiu.,Jiang, Wei-Dan.,Wu, Pei.,Liu, Yang.,...&Feng, Lin.(2020).Xylanase supplementation in plant protein-enriched diets improves growth performance by optimizing the intestinal microflora and enhancing the intestinal immune function in grass carp grow-out (Ctenopharyngodon idella).AQUACULTURE NUTRITION(1),20.
MLA Jin, Yu-Lin,et al."Xylanase supplementation in plant protein-enriched diets improves growth performance by optimizing the intestinal microflora and enhancing the intestinal immune function in grass carp grow-out (Ctenopharyngodon idella)".AQUACULTURE NUTRITION .1(2020):20.
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