饲粮添加苹果果胶寡糖对育肥后期猪胴体性状、肉品质和结肠主要菌群的影响

毛湘冰; 刘明辉; 陈代文; 余冰; 石波; 何军; 虞洁; 罗钧秋; 罗玉衡

doi:10.3969/j.issn.1006-267x.2017.01.026

动物营养学报 >

2017 , Vol. 29 >Issue 1: 233 - 238

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.01.026

研究简报

饲粮添加苹果果胶寡糖对育肥后期猪胴体性状、肉品质和结肠主要菌群的影响

毛湘冰 ,
刘明辉 ,
陈代文 ,
余冰 ,
石波 ,
何军 ,
虞洁 ,
罗钧秋 ,
罗玉衡

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1. 四川农业大学动物营养研究所, 动物抗病营养教育部重点实验室, 成都 611130;
2. 中国农业科学院饲料研究所, 北京 100081

收稿日期: 2016-07-12

网络出版日期: 2017-01-16

基金资助

四川省科技支撑项目（2013NZ0056）；现代农业产业技术体系（CARS-36）

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Effects of Dietary Apple Pectic Oligosaccharide Supplementation on Carcass Traits, Meat Quality and Mainly Colonic Microflora of Finishing Pigs

MAO Xiangbing ,
LIU Minghui ,
CHEN Daiwen ,
YU Bing ,
SHI Bo ,
HE Jun ,
YU Jie ,
LUO Junqiu ,
LUO Yuheng

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1. Key Laboratory for Animal Disease-Resistance Nutrition of Ministry of Education, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China;
2. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China

Received date: 2016-07-12

Online published: 2017-01-16

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摘要

本研究旨在探讨饲料添加苹果果胶寡糖（APOS）对育肥后期猪胴体性状、肉品质和结肠主要菌群的影响。试验选取36头平均体重约为80 kg健康“杜×长×大”去势公猪，按照体重相近的原则随机分为3个处理，每个处理6个重复，每个重复2头猪。各处理分别饲喂在基础饲粮中添加0、200和400 mg/kg APOS的饲粮，试验期为28 d。结果表明，饲粮添加APOS未显著影响育肥猪生长性能（P>0.05）；饲粮添加APOS不同程度地提高了育肥猪的眼肌面积（P<0.05）和肌内脂肪含量（P=0.07），不同程度地降低了育肥猪的肌肉滴水损失（P=0.06）和蒸煮损失（P<0.05）；另外，饲粮添加APOS还提高了育肥猪结肠食糜中总菌的数量（P=0.07），且显著提高了结肠食糜中挥发性脂肪酸的含量（P<0.05）。综上所述，在饲粮中添加200或400 mg/kg APOS对育肥猪生长性能无影响，但可在不同程度上改善育肥猪胴体性状和肉品质，并调节了结肠主要菌群和挥发性脂肪酸产生。

关键词： 苹果果胶寡糖; 育肥猪; 胴体性状; 肉品质; 结肠主要菌群

本文引用格式

毛湘冰 , 刘明辉 , 陈代文 , 余冰 , 石波 , 何军 , 虞洁 , 罗钧秋 , 罗玉衡 . 饲粮添加苹果果胶寡糖对育肥后期猪胴体性状、肉品质和结肠主要菌群的影响[J]. 动物营养学报, 2017 , 29(1) : 233 -238 . DOI: 10.3969/j.issn.1006-267x.2017.01.026

Abstract

The experiment was conducted to determine the effects of dietary apple pectic oligosaccharide (APOS) supplementation on carcass traits, meat quality and mainly colonic microflora of finishing pigs. Based on the initial body weight, thirty-six healthy crossbred (Duroc×Landrace×Yorkshire) finishing pigs were randomly assigned to three treatments with six replicates per treatment and two pigs per replicate. Pigs in the three treatments were fed the basal diets supplemented with 0, 200 and 400 mg/kg APOS, respectively. The experiment lasted for 28 days. The results showed that dietary APOS supplementation did not significantly affect the growth performance of finishing pigs (P>0.05). Dietary APOS supplementation increased the loin-eye area (P<0.05) and the intramuscular fat content (P=0.07) of finishing pigs to some extent, and reduced the drip loss (P=0.06) and cooking loss (P<0.05) of muscles in finishing pigs. In addition, dietary APOS supplementation tended to increase total bacteria numbers in colonic digesta (P=0.07), and significantly increased the content of volatile fatty acids in colonic digesta of finishing pigs (P<0.05). These results suggest that dietary 200 or 400 mg/kg APOS supplementation do not affect the growth performance, but can improve carcass traits and meat quality, and regulate the mainly colonic microflora and the production of volatile fatty acids in finishing pigs.

Key words： apple pectic oligosaccharide; finishing pigs; carcass traits; meat quality; mainly colonic microflora

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