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首页> 外文期刊>Fish & Shellfish Immunology >Effects of dietary supplementation of Lactobacillus pentosus PL11 on the growth performance, immune and antioxidant systems of Japanese eel Anguilla japonica challenged with Edwardsiella tarda.
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Effects of dietary supplementation of Lactobacillus pentosus PL11 on the growth performance, immune and antioxidant systems of Japanese eel Anguilla japonica challenged with Edwardsiella tarda.

机译：膳食补充戊糖乳杆菌PL11对用爱德华氏菌攻击的日本鳗鳗的生长性能，免疫和抗氧化系统的影响。

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摘要

The aim of this study was to determine the efficacy of dietary administration of Lactobacillus pentosus PL11 on growth performance and the immune and antioxidant systems in Japanese eel Anguilla japonica challenged with Edwardsiella tarda. A total of 75 Japanese eels (24.63+or-0.83 g) were grouped into 5 treatment diets which were a control diet (C) without E. tarda and 4 treatment diets with E. tarda challenge, including C for E. tarda challenge (NC), C plus L. pentosus PL11 supplemented diet (108 cfu g-1) (T-PL11), C plus L. pentosus KCCM 40997 supplemented diet (108 cfu g-1) (T-Lp) and C plus Weissella hellenica DS-12 supplemented diet (108 cfu g-1) (T-Wh) for 5 weeks (4 week before and 1 week after challenge). The results showed enhanced growth performance in fish fed the diet containing L. pentosus PL11 compared to others. The growth performance parameters including specific growth rate (SGR) and weight gain (WG), feed intake (FI), feed conversion ratio (FCR) and survival were significantly (P<0.05) higher in fish maintained on L. pentosus PL11 supplemented diet compared to C and NC. T-PL11 group also shows a significant increase in the levels of plasma immunoglobulin M, CAT and SOD activities compared to NC. Hematological parameters and mieloperoxidase were significantly better in fish fed the L. pentosus PL11 supplemented diet than in the control. L. pentosus PL11 supplementation recover the reduced expression of SOD, CAT and heat shock protein 70 genes in liver and intestine in pathogen challenged fishes. In conclusion the result of the current study demonstrated L. pentosus PL11 potential as an alternative to antibiotic supplementation to improve the growth and health performance of Japanese eel (A. japonica).
机译：这项研究的目的是确定日粮戊糖乳杆菌PL11对受爱德华氏菌攻击的日本鳗鳗的生长性能以及免疫和抗氧化系统的功效。总共75头日本鳗鱼（24.63+或-0.83 g）被分为5种治疗饮食，分别是不含塔氏大肠杆菌的对照饮食（C）和4种带有塔氏大肠杆菌挑战的治疗饮食，其中包括C. NC），C +戊糖乳杆菌PL11补充饮食（10 8 cfu g -1 ）（T-PL11），C +戊糖乳杆菌KCCM 40997补充饮食（10 8 cfu g -1 ）（T-Lp）和C加上Weissella hellenica DS-12补充饮食（10 8 cfu g -1 ）（T-Wh），持续5周（攻击前4周和攻击后1周）。结果表明，与其他饲料相比，饲喂含有戊糖乳杆菌PL11的饲料的鱼类的生长性能得到提高。补充戊糖乳杆菌PL11饲料的鱼的生长性能参数，包括比生长率（SGR）和增重（WG），采食量（FI），饲料转化率（FCR）和存活率均显着（P <0.05）高与C和NC相比。与NC相比，T-PL11组的血浆免疫球蛋白M，CAT和SOD活性也显着增加。饲喂补充戊糖乳杆菌PL11的鱼的血液学参数和过氧化物酶明显优于对照组。补充戊糖乳杆菌PL11可恢复病原体攻击鱼类肝脏和肠中SOD，CAT和热休克蛋白70基因的表达降低。总之，本研究的结果表明，戊糖乳杆菌PL11具有替代抗生素的潜力，可改善日本鳗鱼的生长和健康表现。

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