SWINE NUTRITION AND FEED

Effects of Synbiotic Containing Lactulose and Bacillus coagulans on Growth Performance, Nutrient Apparent Digestibilities and Blood Indexes of Weaned Piglets

  • ZHAO Zuyan ,
  • YANG Yunnan ,
  • LIU Riliang ,
  • ZHANG Yunlong ,
  • HU Hao ,
  • ZHENG Weijiang ,
  • YAO Wen
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  • 1. Jiangsu Key Laboratory of Gastrointestinal Nutrition and Health, Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China;
    2. Jiangsu Yuanshan Biological Technology Co., Ltd., Yancheng 224001, China

Received date: 2020-12-20

  Online published: 2021-07-06

Supported by

 

Abstract

This experiment was conducted to investigate the effects of synbiotic containing lactulose and Bacillus coagulans on growth performance, nutrient apparent digestibilities and blood indexes of weaned piglets. Twenty-four healthy 27 to 28-day-old crossbred (Duroc×Landrace×Yorkshire) weaned piglets with initial body weight of (9.09±0.12) kg were randomly divided into 3 groups:control group (n=12), test group Ⅰ (n=6) and test group Ⅱ (n=6). Piglets in the control group were fed a basal diet (antibiotic-free), piglets in the test group Ⅰ were fed the basal diet+75 mg/kg chlortetracycline, and others in the test group Ⅱ were fed the basal diet+synbiotic containing lactulose and Bacillus coagulans (10 g/kg lactulose+2×109 CFU/kg Bacillus coagulans). The experiment lasted for 29 days. The results showed as follows:1) on day 1, 15 and 29, there was no significant difference in the body weight among 3 groups (P>0.05). During weeks 1 to 2, there were no significant differences in the average daily gain (ADG) and average daily feed intake (ADFI) among 3 groups (P>0.05); the feed to gain ratio (F/G) of test group Ⅱ was significantly lower than that of the control group (P<0.05), and had no significant difference with test group Ⅰ (P>0.05). During weeks 3 to 4 and weeks 1 to 4, there were no significant differences in the ADG, ADFI and F/G among 3 groups (P>0.05). 2) During weeks 3 to 4, the diarrhea rate of test group Ⅰ and test group Ⅱ was significantly lower than that of the control group (P<0.05), and there was no difference between the test group Ⅰ and the test group Ⅱ (P>0.05); during weeks 1 to 2 and weeks 1 to 4, there was no difference in diarrhea rate among 3 groups (P>0.05). 3) The apparent digestibilities of gross energy and ether extract of test group Ⅰ and test group Ⅱ were significantly higher than those of the control group (P<0.05), and there was no significant difference between test group Ⅰ and test group Ⅱ (P>0.05); the crude protein apparent digestibility of test group Ⅰ was significantly higher than that of the control group (P<0.05), but there was no significant difference between test group Ⅱ and other 2 groups (P>0.05). 4) There were no significant differences in blood routine index among 3 groups (P>0.05). The serum total bilirubin content of test group Ⅰ and test group Ⅱ was significantly lower than that of the control group (P<0.05), and there was no significant difference between test group Ⅰ and test group Ⅱ (P>0.05). In summary, adding synbiotic containing lactulose and Bacillus coagulans in antibiotic-free diet can reduce the diarrhea rate of weaned piglets, increase the apparent digestibilities of gross energy and ether extract, decrease the serum total bilirubin content and the F/G.

Cite this article

ZHAO Zuyan , YANG Yunnan , LIU Riliang , ZHANG Yunlong , HU Hao , ZHENG Weijiang , YAO Wen . Effects of Synbiotic Containing Lactulose and Bacillus coagulans on Growth Performance, Nutrient Apparent Digestibilities and Blood Indexes of Weaned Piglets[J]. Chinese Journal of Animal Nutrition, 2021 , 33(7) : 3735 -3744 . DOI: 10.3969/j.issn.1006-267x.2021.07.016

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