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首页> 外文期刊>Aquaculture Nutrition >Effect of Lactobacillus plantarum and Jerusalem artichoke (Helianthus tuberosus) on growth performance, immunity and disease resistance of Pangasius catfish (Pangasius bocourti, Sauvage 1880)
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Effect of Lactobacillus plantarum and Jerusalem artichoke (Helianthus tuberosus) on growth performance, immunity and disease resistance of Pangasius catfish (Pangasius bocourti, Sauvage 1880)

机译:植物乳杆菌和菊芋(菊芋)对Pan鱼(Pangasius bocourti,Sauvage 1880)的生长性能,免疫力和抗病性的影响

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摘要

This study evaluated the effects of Jerusalem artichoke (JA) and Lactobacillus plantarum singly or combined on growth, immunity and disease resistance of Pangasius bocourti. In the first experiment, different concentrations of JA (0, 5, 10, 20, 40, 80 and 160gkg(-1)) were administered to determine an optimal concentration on growth of P.bocourti. In the second experiment, the optimal concentration of JA (5gkg(-1)) was combined with 10(8)cfug(-1)L.plantarum. In the final experiment, five randomly selected fish from the second experiment were challenged with Aeromonas hydrophila. Treatments for second and third experiments were 0gkg(-1) JA (Diet 1), 5gkg(-1) JA (Diet 2), 10(8)cfug(-1)L.plantarum (Diet 3) and 5gkg(-1) JA+10(8)cfug(-1)L.plantarum (Diet 4). Fish fed 5gkg(-1) JA or 10(8)cfug(-1) of L.plantarum significantly improved specific growth rate (SGR), feed conversion ratio (FCR), serum lysozyme activity and postchallenge survival rate (PCSR). Dietary in the combination of JA and L.plantarum showed significantly enhanced SGR, FCR, serum lysozyme, phagocytosis, respiratory burst activities and PCSR compared with control and individual applications. Dietary JA and L.plantarum significantly stimulated growth, immunity and disease resistance of P.bocourti.
机译:这项研究单独或联合评估了菊芋(JA)和植物乳杆菌对Bogasius bocourti的生长,免疫力和抗病性的影响。在第一个实验中,施用了不同浓度的JA(0、5、10、20、40、80和160gkg(-1)),以确定对P.bocourti生长的最佳浓度。在第二个实验中,将JA的最佳浓度(5gkg(-1))与10(8)cfug(-1)L.plantarum组合。在最终实验中,从第二个实验中随机选择的五只鱼用嗜水气单胞菌攻击。第二和第三次实验的处理方法是0gkg(-1)JA(饮食1),5gkg(-1)JA(饮食2),10(8)cfug(-1)L.plantarum(饮食3)和5gkg(-1 )JA + 10(8)cfug(-1)L.plantarum(饮食4)。饲喂5gkg(-1)JA或10(8)cfug(-1)的植物乳杆菌的鱼可显着提高比生长速率(SGR),饲料转化率(FCR),血清溶菌酶活性和攻击后存活率(PCSR)。与对照和单独施用相比,JA和植物乳杆菌组合的日粮显示出SGR,FCR,血清溶菌酶,吞噬作用,呼吸爆发活性和PCSR显着增强。日粮JA和植物乳杆菌显着刺激了波氏疟原虫的生长,免疫力和抗病性。

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