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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

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.

Cite this article

MAO Xiangbing , LIU Minghui , CHEN Daiwen , YU Bing , SHI Bo , HE Jun , YU Jie , LUO Junqiu , LUO Yuheng . Effects of Dietary Apple Pectic Oligosaccharide Supplementation on Carcass Traits, Meat Quality and Mainly Colonic Microflora of Finishing Pigs[J]. Chinese Journal of Animal Nutrition, 2017 , 29(1) : 233 -238 . DOI: 10.3969/j.issn.1006-267x.2017.01.026

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