Molecular Nutrition

Effects of Bacillus subtilis Supplementation in Diets of Sows on Plasma Biochemical Parameters, Feces Microbes and Their Metabolites of Suckling Piglets

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  • 1. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
    2. College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471003, China;
    3. Evonik Degussa(China) Co., Ltd., Beijing 100600, China

Received date: 2017-10-18

  Online published: 2018-04-03

Abstract

This experiment was conducted to study the effects of Bacillus subtilis supplementation in diets of sows on plasma biochemical parameters, fecal microbes and their metabolites of suckling piglets. Forty healthy Large White sows at close to 85 days of gestation during 2 to 4 parities were used and randomly allocated to two groups with 20 pigs per group. Sows in the control group were fed a basal diet, and others in the experimental group were fed the basal diet supplemented with 250 g/t Bacillus subtilis preparation. The diets were fed from 85 days post service to postpartum 21 days. At 7 and 21 days of age, eight litters per group were randomly chose and one piglet with similar body weight per litter was collected the blood samples by precaval vein, and then the plasma were obtained for analyzing biochemical parameters; the samples of fresh feces were collected to analyze the amount of microbes and contents of short chain fatty acid (SCFA) and bioamines. The results showed that compared with the control group, the fecal acetate and tryptamine contents of piglets at 7 days of age in experiment group were significant increased (P<0.05), the fecal Escherichia coli amount was significant decreased (P<0.05), and the ratio of Lactobacillus to Escherichia coli (P=0.053) and the fecal spermidine (P=0.068) and spermine (P=0.074) contents were showed an increasing trend; the plasma urea nitrogen and triglycerides contents of piglets at 21 days of age in experiment group were significant decreased (P<0.05), as well as the fecal spermidine and spermine contents (P<0.05). Collectively, Bacillus subtilis supplementation in diets of sows can regulate plasma biochemical parameters related to fat and nitrogen metabolism, decrease the intestinal Escherichia coli amount, and increase the contents of several bioamines and acetic acid, also improve intestinal health and growing development of suckling piglets.

Cite this article

HAN Li, XIE Peifeng, ZHAO Yue, GAO Qiankun, ZHANG Wenming, WANG Zhanbin, YIN Yulong, KONG Xiangfeng . Effects of Bacillus subtilis Supplementation in Diets of Sows on Plasma Biochemical Parameters, Feces Microbes and Their Metabolites of Suckling Piglets[J]. Chinese Journal of Animal Nutrition, 2018 , 30(4) : 1465 -1470 . DOI: 10.3969/j.issn.1006-267x.2018.04.030

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