饲粮添加菊糖对肉仔鸡生长性能、排泄物及肠道主要臭气化合物浓度的影响

王琪; 管倩侽; 杨桂芹; 刘海英; 宁志利; 董维国

doi:10.3969/j.issn.1006-267x.2016.12.020

动物营养学报 >

2016 , Vol. 28 >Issue 12: 3875 - 3884

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.12.020

饲粮添加菊糖对肉仔鸡生长性能、排泄物及肠道主要臭气化合物浓度的影响

王琪 ,
管倩侽 ,
杨桂芹 ,
刘海英 ,
宁志利 ,
董维国

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沈阳农业大学畜牧兽医学院, 沈阳 110866

收稿日期: 2016-05-26

网络出版日期: 2016-12-17

基金资助

国家自然科学基金项目（31372328）

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Effects of Dietary Inulin Supplementation on Growth Performance, Concentrations of Major Odor-Causing Compounds in Excreta and Intestinal Digesta of Broilers

WANG Qi ,
GUAN Qiannan ,
YANG Guiqin ,
LIU Haiying ,
NING Zhili ,
DONG Weiguo

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College of Animal Husbandry and Veterinary, Shenyang Agricultural University, Shenyang 110866, China

Received date: 2016-05-26

Online published: 2016-12-17

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摘要

本试验旨在探讨饲粮添加菊糖对肉仔鸡生长性能、排泄物及肠道主要臭气化合物浓度的影响。选择300只1日龄爱拔益加（AA）肉仔鸡，随机分为5组，每组6个重复，每个重复10只鸡。各组分别饲喂在基础饲粮中添加0（对照组）、0.05%、0.15%、0.25%、0.50%菊糖的试验饲粮。试验期6周。结果表明：1）饲粮添加菊糖对肉仔鸡生长性能无显著影响（P>0.05）；2）与对照组相比，饲粮添加0.50%菊糖显著提高了肉仔鸡排泄物中乳酸浓度（P<0.05）。排泄物中乳酸浓度显著高于盲肠和直肠食糜（P<0.05）。3）与对照组相比，饲粮添加0.50%菊糖显著降低了肉仔鸡排泄物中吲哚和粪臭素浓度（P<0.05）。4）肉仔鸡排泄物吲哚浓度与直肠吲哚和粪臭素浓度、盲肠吲哚浓度呈显著的正相关关系（P<0.05）。排泄物的pH与盲肠乳酸浓度呈显著的负相关关系（P<0.05）。综上所述，在本试验条件下，饲粮中添加菊糖显著降低了肉仔鸡排泄物、盲肠和直肠的吲哚和粪臭素浓度，饲粮菊糖适宜添加水平为0.50%。

关键词： 菊糖; 生长性能; 排泄物; 肠道; 臭气化合物; 肉仔鸡

本文引用格式

王琪 , 管倩侽 , 杨桂芹 , 刘海英 , 宁志利 , 董维国 . 饲粮添加菊糖对肉仔鸡生长性能、排泄物及肠道主要臭气化合物浓度的影响[J]. 动物营养学报, 2016 , 28(12) : 3875 -3884 . DOI: 10.3969/j.issn.1006-267x.2016.12.020

Abstract

The purpose of this experiment was to study the effects of dietary inulin supplementation on growth performance, concentrations of the major odor-causing compounds in excreta and intestinal digesta of broilers. Three hundred one-day-old Arbor Acres (AA) broilers were selected and randomly distributed into 5 groups with 6 replicates per group and 10 broilers per replicate. Broilers in the experimental groups were fed basal diets supplemented with 0 (control group), 0.05%, 0.15%, 0.25% and 0.50% inulin, respectively. The experimental period was 6 weeks. The results showed as follows:1) dietary inulin supplementation had no significant effect on growth performance of broilers (P>0.05). 2) The lactic acid concentration in excreta of broilers fed diet with 0.50% inulin was significantly higher than that in control group (P<0.05). The lactic acid concentration in excreta was significantly higher than that in cecal and rectal digesta (P<0.05). 3) The indole and skatole concentration in excreta of broilers fed diet with 0.50% inulin was significantly lower than that in control group (P<0.05). 4) The indole concentration in excreta showed a significant positive correlation with the concentration of indole and skatole in rectal digesta, and indole in cecal digesta (P<0.05). The pH in excreta and the concentration of lactic acid in cecal digesta showed a significant negative correlation (P<0.05). In summary, under the present experimental condition, dietary supplementation with inulin can significantly reduce the concentration of indole and skatole in excreta, cecal digesta and rectal digesta of broilers, and the appropriate inulin supplementation level in the diet of broiler is 0.50%.

Key words： inulin; growth performance; excreta; intestinal tract; odor compound; broilers

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