RESEARCH PAPER

Effects of Fermented Mulberry Leaves on Growth Performance, Plasma and Urine Metabolites of Finishing Pigs

  • CUI Yiyan ,
  • PENG Su ,
  • LI Zhenming ,
  • SONG Min ,
  • YU Miao ,
  • DENG Dun ,
  • TIAN Zhimei ,
  • RONG Ting ,
  • LIU Zhichang ,
  • MA Xianyong
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  • 1. Guangdong Engineering Technology Research Center of Animal Meat Quality and Safety Control and Evaluation, Guangdong Provincial Key Laboratory of Animal Breeding and Nutrition, The Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China;
    2. Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming 525000, China

Received date: 2022-03-23

  Online published: 2022-10-17

Abstract

This experiment aimed to investigate the effects of fermented mulberry leaves on growth performance, plasma and urine metabolites of finishing pigs. Eighteen with body weight of (78.19±2.05) kg Duroc×Landrace×Large White barrow pigs were randomly assigned to 2 groups with 9 replicates per group and 1 pig per replicate. Pigs in the control group were fed a basal diet, and pigs in fermented mulberry leaves group were fed the basal diet supplemented with 10% fermented mulberry leaves. The experiment lasted for 69 days. The results showed as follows:1) compared with the control group, dietary fermented mulberry leaves had no significant effect on growth performance of finishing pigs (P>0.05). 2) Compared with the control group, the creatinine, uric acid, triglyceride contents and lactate dehydrogenase activity in plasma of fermented mulberry leaves group were significantly decreased (P<0.05), and the plasma glutamic oxaloacetic transaminase activity tended to decrease (P=0.079). 3) Compared with the control group, the urine creatinine content of fermented mulberry leaves group was significantly increased (P<0.05), while the uric acid content and lactate dehydrogenase activity in urine were significantly decreased (P<0.05). 4) Compared with the control group, the plasma glutathione content of fermented mulberry leaves group was significantly increased (P<0.05). 5) Compared with the control group, the contents of interleukin (IL)-2, IL-6, IL-8, IL-22, tumor necrosis factor-α, interferon-γ and immunoglobulin (Ig) A in plasma of fermented mulberry leaves group were significantly increased (P<0.05), and the contents of IgG and IgM in plasma tended to increase (P=0.084 and P=0.068). In conclusion, dietary 10% fermented mulberry leaves have no negative effect on the growth performance, while improve the plasma and urine metabolite contents, and enhance the antioxidant capacity and immune function of finishing pigs.

Cite this article

CUI Yiyan , PENG Su , LI Zhenming , SONG Min , YU Miao , DENG Dun , TIAN Zhimei , RONG Ting , LIU Zhichang , MA Xianyong . Effects of Fermented Mulberry Leaves on Growth Performance, Plasma and Urine Metabolites of Finishing Pigs[J]. Chinese Journal of Animal Nutrition, 2022 , 34(9) : 5620 -5629 . DOI: 10.3969/j.issn.1006-267x.2022.09.018

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