ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2008, Vol. 39 ›› Issue (7): 915-922.doi:

• 动物营养 • Previous Articles     Next Articles

Effects of Ruminal Infusion of Soybean Oligosaccharides on Nutrient Flow and Digestion in the Gastrointestinal Tract in Sheep

LIU Bing1，QU Ming-ren1*，ZHANG Xue-feng2，LIU Guang-Bin1，GAO Min3 ，ZHANG Ai-zhong4   

  1. 1 Jiangxi Agricultural University, Nanchang 330045,China; 2 Jilin Agricultural University,Changchun 130118,China; 3Inner Mongolian Academy of Animal Sciences, Huhhot 010030,China；4. Heilongjiang August First Land Reclamation University，Daqing 163319，China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-07-23 Published:2008-07-23

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Abstract: An experiment was conducted to evaluate the effects of soybean oligosaccharides (SBOS) on nutrient flow and digestion in the gastrointestinal tract of sheep by continuous feeding and rumen infusion procedure. Nine Inner Mongolian semi-fine wool wethers fitted with permanent ruminal, proximal duodenal and ileal cannulas were randomly allotted into one of 3 treatments with 3 each. Treatments were 1) continous infusion with SBOS into rumen daily at 0.6% of basal diet (DM basis); 2) infusion with SBOS at 1.2% of basal diet (DM basis); 3) control, no infusion with SBOS. Ruminal liquid digesta flow rate, ruminal digesta N and MN flows and duodenal MN flow were increased in sheep infused with 0.6% or 1.2% SBOS. Duodenal, ileal and rectal flows of DM, OM, ADF and NDF were significantly enhanced (P<0.05 or P<0.01), and DM, OM, ADF and NDF digestibilities in gastric tract, large intestine and total tract (P<0.05 or P<0.01) and CP digestibility in small intestine (P<0.05) were significantly improved in sheep infused with 1.2% SBOS as compared with control group. No significant difference in all parameters tested was observed (P>0.05) between sheep infused with 0.6% SBOS and control group.