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Effects of dietary supplementation with Clostridium butyricum on the growth performance and humoral immune response in Miichthys miiuy

  • 2006-07
  • Journal of Zhejiang University SCIENCE B 7(7)
    • Zeng-fu Song
    • Tian-Xing Wu
    • L. Cai
    • Li-jing Zhang
    • Xiao-dong Zheng


The effects of dietary supplementation with Clostridium butyricum on growth performance and humoral immune response in Miichthys miiuy were evaluated. One hundred and fifty Miichthys miiuy weighing approximately 200-260 g were divided into five groups and reared in 15 tanks with closed circuiting culture system. The animals were fed 5 diets: basal diet only (control) or supplemented of the basal diet with C. butyricum at doses of 10(3) (CB1), 10(5) (CB2), 10(7) (CB3) or 10(9) (CB4) CFU/g. Compared with the control, the serum phenoloxidase activity was significantly increased by the supplementation (P<0.05), acid phosphatases activity was increased significantly (P<0.05) at the doses of 10(9) CFU/g. Serum lysozyme activity peaked at dose of 10(7) CFU/g and in the skin mucus at dose of 10(9) CFU/g. Immunoglobulin M level in the serum and skin mucus was increased except at dose of 10(3) CFU/g (P<0.05). The growth at the dose of 10(9) CFU/g was higher than that of the control (P<0.05). It is concluded that supplementation of C. butyricum can mediate the humoral immune responses and improve the growth performance in Miichthys miiuy.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Clostridium butyricumEnhanced Phenoloxidase ActivityBeneficial
Clostridium butyricumImproved Growth PerformanceBeneficial
Clostridium butyricumIncreased Acid Phosphatase ActivityBeneficial
Clostridium butyricumIncreased Immunoglobulin M LevelsBeneficial
Clostridium butyricumIncreased Serum Lysozyme ActivityBeneficial

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