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Effect of gut stress induced by oxidized wheat gluten on the growth performance, gut morphology and oxidative states of broilers

文献类型： 外文期刊

作者： Liao, R. B. 1 ; Yan, H. J. 1 ; Liu, G. H. 1 ; Zhang, S. 1 ; Chang, W. H. 1 ; Liu, W. 1 ; Lin, C. H. 1 ; Huang, X. Y. 1 ; Cai 1 ;

作者机构： 1.Chinese Acad Agr Sci, Key Lab Feed Biotechnol, Minist Agr, Feed Res Inst, Beijing, Peoples R China

关键词： broiler; growth performance; oxidative stress; oxidized wheat gluten

期刊名称：JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION （ 影响因子：2.13； 五年影响因子：2.322 ）

ISSN： 0931-2439

年卷期： 2018 年 102 卷 2 期

页码：

收录情况： SCI

摘要： This study was to investigate the effect of oxidized wheat gluten (OG) on growth performance, gut morphology and its oxidative states of broilers. One hundred and eighty-day-old male broilers (10 chicks/pen) were randomly allocated into three dietary treatments: control diet (CON), diet with 8% wheat gluten (WG) and diet with 8% OG with six pens/treatment. Body weight (BW) (21 and 35days) and average daily gain (ADG) (1-21days and 22-35days) decreased (p<.05) and feed conversion ratio (FCR) (1-21days and 22-35days) increased (p<.05) in OG treatment. Feed intake (FI) decreased (p<.05) in WG and OG treatments during 22-35days. However, FI was not influenced by dietary treatments during 1-21days (p>.05). The OG-fed broilers had a lower faecal pH value (p<.05) and higher faecal moisture content (p<05) at 14, 21, 28 and 35days. Villus height, crypt depth and V/C value were not different (p>.05) among treatments at 21 and 35days. Lipid peroxidation (LPO) (21 and 35days) and malondialdehyde (MDA) (35days) content in crop of OG treatment increased (p<.05). Oxidized glutathione (GSSG) (21days), LPO (21 and 35days) and MDA (21 and 35days) content in ileum of OG treatment increased (p<.05). The reduced glutathione/oxidized glutathione (GSH/GSSG) (21days) and (GSH) (35days) in ileum of OG treatment decreased (p<.05). The present findings indicate that OG might be a stressor for broiler gut, which could induce oxidative stress both in crop and in ileum, and the diarrhoea as well. The growth performance of broiler was consequently depressed.

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