Effect of the dietary probiotic Clostridium butyricum on growth, intestine antioxidant capacity and resistance to high temperature stress in kuruma shrimp Marsupenaeus japonicus
文献类型: 外文期刊
第一作者: Duan, Yafei
作者: Duan, Yafei;Zhang, Yue;Dong, Hongbiao;Wang, Yun;Zhang, Jiasong
作者机构:
关键词: Marsupenaeus japonicus;Clostridium butyricum;Intestine health;Antioxidant;High temperature stress
期刊名称:JOURNAL OF THERMAL BIOLOGY ( 影响因子:2.902; 五年影响因子:3.102 )
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收录情况: SCI
摘要: A 56-day feeding trial followed by an acute high temperature stress test were performed to evaluate the effect of dietary probiotic Clostridium butyricum (CB) on growth performance and intestine antioxidant capacity of kuruma shrimp Marsupenaeus japonicus. Shrimp were randomly allocated in 9 tanks (30 shrimp per tank) and triplicate tanks were fed with diets containing different levels of C. butyricum (1 x 10(9) cfu/g): 0 mg g(-1) feed (Control), 100 mg g(-1) feed (CB-100), 200 mg g(-1) feed (CB-200) as treatment groups. The results indicated that dietary supplementation of C. butyricum increased the growth performance and decreased the feed conversion rate (FCR) of shrimp in the CB-100 group. HE stain showed that C. butyricum increased the intestine epithelium height of M. japonicus. C. butyricum supplemented in diets decreased center dot O-2 generation capacity and malondialdehyde (MDA) content, and increased total antioxidant capacity (T-AOC), catalase (CAT) and peroxidase (POD) activity and the expression level of heat shock protein 70 (hsp70) and metallothionein (mt) gene in intestine of shrimp cultured under normal condition for 56 d, while no significant changes in glutathione peroxidase (GPx) activity and ferritin gene expression level. After shrimp exposed to high temperature stress 48 h, the lower level of Of generation capacity and MDA content, and the higher level survival, activities of T-AOC, CAT, GPx and POD, as well as hsp70, ferritin and mt gene expression level were found in intestine of two C. butyricum groups. These results revealed that C. butyricum could improve the growth performance, increase intestine antioxidant capacity of M. japonicus against high temperature stress, and could be a potential feed additive in shrimp aquaculture.
分类号: Q7
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