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Effects of L. salivarius from Pigs on Growth Performance, the Number of Faecal Microflora and Serum Indices of Growing Pigs

  • ZHANG Dongyan ,
  • JI Haifeng ,
  • WANG Sixin ,
  • WANG Jing ,
  • LIU Hui ,
  • WANG Yamin
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  • Institute of Animal Husbandry and Veterinary Medicine, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China

Received date: 2013-09-25

  Online published: 2014-03-04

Abstract

This experiment was conducted to study the effects of L. salivarius from pigs on growth performance, the number of faecal microflora and serum indices of growing pigs. Eighty-one crossbred (Landrace×Large White) growing pigs with an average body weight of (35.22±0.86) kg were divided into 3 groups with 3 replicates per group and 9 pigs per replicate. Pigs in control group were fed a basal diet and those in experimental groups were fed experimental diets supplemented with 0.2% and 0.4% (viable bacteria counts were 7.0×106 and 1.4×107 CFU per gram of diets, respectively) lyophilized preparation of L. salivarius from pigs, respectively. The experiment lasted for 30 days. The results showed as follows: 1) compared with the control group, the average daily feed intake (ADFI) and feed/gain (F/G) of growing pigs in the experimental groups had no significant changes (P>0.05), and the average daily gain (ADG) had increasing trends (P>0.05); 2) the supplementation of L. salivarius at 0.2% and 0.4% could significantly increase the number of Lactobacilli (P<0.05), significantly reduce the number of E. coli (P<0.05), and significantly increase the ratio of Lactobacilli to E. coli in the faeces (P<0.05); 3) compared with the control group, the activities of alanine transferase (ALT) and aspartate transferase (AST) and the content of total cholesterol (TCHO) in serum in the experimental groups were significantly decreased (P<0.05); 4) compared with the control group, the content of haptoglobin (Hp) in serum in the experimental groups was significantly decreased (P<0.05). The results indicate that the supplementation of L. salivarius from pigs can improve the environment of intestinal microflora and the indices of serum, increase the immunity of body, and then advance the growth of growing pigs.

Cite this article

ZHANG Dongyan , JI Haifeng , WANG Sixin , WANG Jing , LIU Hui , WANG Yamin . Effects of L. salivarius from Pigs on Growth Performance, the Number of Faecal Microflora and Serum Indices of Growing Pigs[J]. Chinese Journal of Animal Nutrition, 2014 , 26(3) : 725 -731 . DOI: 10.3969/j.issn.1006-267x.2014.03.023

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