Effects of Lactobacillus delbrueckii and Xylo-Oligosaccharides on Growth Performance and Plasma Biochemical Parameters of Huanjiang Mini-Pigs

  • CAI Qiaoli ,
  • TANG Wu ,
  • JIANG Huijiao ,
  • HUANG Pan ,
  • YU Zhongban ,
  • HUANG Xingguo ,
  • KONG Xiangfeng
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  • 1. College of Animal Science and Technology, Hunan Co-Innovation Center of Animal Production Safety, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Provincial Key Laboratory of Animal Nutrition Physiology and Metabolism Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China;
    3. Huanjiang County Aquatic, Animal Husbandry and Veterinary Bureau, Huanjiang 547100, China

Received date: 2019-01-29

  Online published: 2019-08-19

Abstract

This experiment was conducted to study the effects of Lactobacillus delbrueckii and xylo-oligosaccharides on growth performance and plasma biochemical parameters of Huanjiang mini-pigs. A total of 96 Huanjiang mini-pigs with an average body weight about 9.5 kg were randomly divided into 3 groups with 8 replicates per group and 4 pigs (male:female=1:1) per replicate. Pigs in control group were fed a basal diet, and those in trial groups 1 and 2 were fed experimental diets which supplemented with 0.05% Lactobacillus delbrueckii and 0.05% Lactobacillus delbrueckii+0.02% xylo-oligosaccharides, respectively, in the basal diet. The pre-test period was 3 days, and the trial period was 84 days. During the experiment, the feed intake was recorded daily, and the fasting body weights were weighed on days 1, 28, 56 and 84 of the trial, respectively. The average daily feed intake (ADFI), average daily gain (ADG) and feed/gain (F/G) were calculated on each stage. On days 28, 56 and 84 of the trial, blood samples were collected for determining plasma biochemical parameters. The results showed that, compared with the control group, the ADG of trial groups 1 and 2 was significantly increased on day 29 to 56 of the trial (P<0.05), the F/G of trial group 1 was significantly decreased on day 57 to 84 of the trial (P<0.05), and the F/G of trial groups 1 and 2 was significantly decreased on day 1 to 84 of the trial (P<0.05). Compared with the control group, on day 28 of the trial, the plasma triglyceride (TG) and total protein (TP) concentrations of trial group 1 were significantly increased (P<0.05), as well as the plasma TP, albumin (ALB) and TG concentrations and alkaline phosphatase (ALP) activity of trial group 2; on day 56 of the trial, the plasma ammonia (NH3) concentration and amylase (AMS) activity of trial group 1 and plasma AMS activity of trial group 2 were significantly increased (P<0.05); on day 84 of the trial, the plasma glucose (GLU) and TG concentrations and AMS and lactic dehydrogenase (LDH) activities of trial group 1 were significantly decreased (P<0.05), and the plasma TP concentration of trial group 2 was significantly increased (P<0.05), as well as the plasma aspartate aminotransferase (AST) and LDH activities were significantly decreased (P<0.05). In addition, on day 56 of the trial, the plasma TP, ALB, urea nitrogen (UN), GLU, TG, cholesterol (CHO) and low density lipoprotein cholesterol (LDL-C) concentrations and hepatic lipase (HL) activity of trial group 2 were significantly higher (P<0.05), while AST concentration and LDH activity were significantly lower than those of control group and trial group 1 (P<0.05). These findings suggest that supplementation of Lactobacillus delbrueckii alone or combined with xylo-oligosaccharides in the diet can increase ADG and reduce F/G of Huanjiang mini-pigs, which may be related to biochemical parameters related to nitrogen and glycolipid metabolism.

Cite this article

CAI Qiaoli , TANG Wu , JIANG Huijiao , HUANG Pan , YU Zhongban , HUANG Xingguo , KONG Xiangfeng . Effects of Lactobacillus delbrueckii and Xylo-Oligosaccharides on Growth Performance and Plasma Biochemical Parameters of Huanjiang Mini-Pigs[J]. Chinese Journal of Animal Nutrition, 2019 , 31(8) : 3891 -3897 . DOI: 10.3969/j.issn.1006-267x.2019.08.051

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