动物营养学报 >

2014 , Vol. 26 >Issue 2: 466 - 473

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.02.023

饲料营养 Feed Science and Technology

三丁酸甘油酯对肉鸡生长性能、养分表观消化率、屠宰性能、肠道形态及微生物菌群的影响

  • 彭丽莎 ,
  • 孙健栋 ,
  • 史艳云 ,
  • 朱光宁 ,
  • 李卫芬 ,
  • 余东游
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  • 1. 浙江大学饲料科学研究所, 农业部华东动物营养与饲料重点实验室, 杭州 310058;
    2. 湖南赛夫特生物科技有限公司, 长沙 410000

收稿日期: 2013-08-16

  网络出版日期: 2014-01-27

基金资助

浙江省重点科技创新团队计划资助（2011R50025-03）；科技部东南沿海地区大学农业科技服务技术集成与示范项目（2013BAD20B02）

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Effects of Tributyrin on Growth Performance, Nutrient Apparent Digestibility, Slaughter Performance, Intestinal Morphology and Microbial Flora of Broilers

  • PENG Lisha ,
  • SUN Jiandong ,
  • SHI Yanyun ,
  • ZHU Guangning ,
  • LI Weifen ,
  • YU Dongyou
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  • 1. Key Laboratory of Animal Nutrition and Feed in East China of MOA, Institute of Feed Science, Zhejiang University, Hangzhou 310058, China;
    2. Hunan Saifute Bio-Technology Company Limited, Changsha 410000, China

Received date: 2013-08-16

  Online published: 2014-01-27

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摘要

本试验旨在研究三丁酸甘油酯对肉鸡生长性能、养分表观消化率、屠宰性能、肠道形态及微生物菌群的影响。选用1日龄艾维茵肉公鸡1 800羽，随机分为6组，每组6个重复，每个重复50羽。对照组饲喂基础饲粮，试验组分别饲喂在基础饲粮中添加0.10%、0.15%、0.20%、0.30%、0.40%三丁酸甘油酯的试验饲粮。试验期42 d。结果表明：1）饲粮中添加三丁酸甘油酯有促进肉鸡生长的趋势，其中0.20%三丁酸甘油酯组效果最佳。2）与对照组相比，0.20%三丁酸甘油酯组的粗脂肪和粗纤维表观消化率均显著提高（P<0.05）；肉鸡屠宰性能有改善的趋势，但差异不显著（P>0.05）；十二指肠和空肠肠绒毛高度均显著提高（P<0.05），隐窝深度有变浅的趋势，但差异不显著（P>0.05）；盲肠乳酸菌数量显著增加（P<0.05），大肠杆菌数量显著减少（P<0.05）。由此可见，饲粮添加三丁酸甘油酯能促进生长性能，提高饲料养分消化率，改善肠道形态和微生物菌群，肉鸡饲粮中三丁酸甘油酯适宜添加量为0.20%。

关键词： 三丁酸甘油酯; 肉鸡; 生长性能; 肠道形态; 微生物菌群

本文引用格式

彭丽莎 , 孙健栋 , 史艳云 , 朱光宁 , 李卫芬 , 余东游 . 三丁酸甘油酯对肉鸡生长性能、养分表观消化率、屠宰性能、肠道形态及微生物菌群的影响[J]. 动物营养学报, 2014 , 26(2) : 466 -473 . DOI: 10.3969/j.issn.1006-267x.2014.02.023

Abstract

This experiment was conducted to investigate the effects of tributyrin on growth performance, nutrient apparent digestibility, slaughter performance, intestinal morphology and microbial flora of broilers. A total of 1 800 one-day-old male Avian broilers were selected and randomly divided into 6 groups with 6 replicates per group and 50 broilers per replicate. Broilers in the control group was fed a basal diet, and broilers in the experimental groups were fed the basal diets supplemented with 0.10%, 0.15%, 0.20%, 0.30% and 0.40% tributyrin, respectively. The experiment lasted for 42 days. The results showed as follows: diets supplemented with tributyrin tended to improve the growth performance of broilers, and the 0.20% tributyrin group reached the highest. 2) Compare with the control group, the apparent digestibility of ether extract and crude fiber in 0.20% tributyrin group was significantly increased (P<0.05); the slaughter performance tended to be improved, but had no significant change (P>0.05); the villus height in duodenum and jejunum was significantly increased (P<0.05); the crypt depth in duodenum and jejunum tended to be decreased, but had no significant change (P>0.05); the number of Lactobacillus in cecum was significantly increased (P<0.05), and the number of Escherichia coli in cecum was significantly decreased (P<0.05). In conclusion, diets supplemented with tributyrin can promote the growth performance, increase the nutrient digestibility and improve intestinal morphology and microbial flora of broilers. The optimal supplemented level of tributyrin is 0.20% for broilers.

Key words： tributyrin; broiler; growth performance; intestinal morphology; microbial flora

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