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首页> 外文期刊>Aquaculture Nutrition >Effects of fish origin probiotics on growth performance, immune response and intestinal health of shrimp (Litopenaeus vannamei) fed diets with fish meal partially replaced by soybean meal
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Effects of fish origin probiotics on growth performance, immune response and intestinal health of shrimp (Litopenaeus vannamei) fed diets with fish meal partially replaced by soybean meal

机译：鱼类源性益生菌对虾（Litopenaeus Vannamei）生长性能，免疫应答和肠道健康的影响喂食鱼类膳食的饮食，部分用豆粕取代

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This study was conducted to evaluate the application of four fish origin probiotics to relieve the side effects induced by SBM in shrimp. Shrimps were fed with high fish meal diet (C0, positive control containing 500 g/kg FM and 0 g/kg SBM), low fish meal diet (C, control containing 250 g/kg FM and 340 g/kg SBM) or the control diet (C) supplemented, respectively, with 1.0 x 10(8) CFU/g Bacillus pumilus SE5 (T1), Psychrobacter sp. SE6 (T2), Enterococcus faecium MM4 (T3) or Bacillus claussi DE5 (T4). After 6 weeks of feeding, the growth performance, hepatopancreatic digestive enzymes, intestinal histological structure and immune parameters were determined. The results showed that compared with high FM group (C0), significantly lower WGR and SGR as well as higher FCR were observed in the low FM group (C) (p < .05). Compared with the control, significantly lower FCR was observed in treatment T1 (p < .05), but not in treatments T2-T4. Protease, amylase and lipase activities in all the treatments (T1-T4) were significantly higher than the control (p < .05). GOT and GPT activities in the control were significantly lower than the C0 (p < .05), while higher MDA level was recorded in the control (p < .05). Meanwhile, higher GPT activities were observed in treatments T1-T4 compared with the control (p < .05). Compared with the C0, lower SOD, ACP and AKP activities were observed in the control. Significantly improved SOD and AKP activities were observed in all probiotic feeding groups compared with the control (p < .05). The control diet led to significant reduction of intestinal wall thickness and villus height compared with the C0 (p < .05), while significantly higher intestinal wall thickness and villus height were exhibited in all the probiotic groups compared with the control (p < .05), except intestinal wall thickness in treatment T3. Thus, these results demonstrated that the four fish origin probiotic strains could relieve the side effects induced by high level of SBM in shrimp, while probiotic B. pumilus SE5 showed the best performance.
机译：进行该研究以评估四种鱼类源性益生菌的应用，以缓解SBM在虾中诱导的副作用。用高鱼粉饮食（C0，含有500g / kg fm和0 g / kg sbm的阳性对照）喂食虾，低鱼粉饮食（c，含有250g / kg fm和340 g / kg sbm的控制）或控制饮食（c）分别补充，分别为1.0×10（8）CFU / g芽孢杆菌SE5（T1），心理杆菌SP。 SE6（T2），肠球菌FAECIUMMM4（T3）或杆菌CLAUSSI DE5（T4）。喂养6周后，测定生长性能，肝癌消化酶，肠道组织学结构和免疫参数。结果表明，与高FM组（CO）相比，在低FM组（C）（P <0.05）中观察到较高的WGR和SGR以及更高的FCR。与对照相比，在治疗T1（P <0.05）中观察到的FCR显着降低，但不在治疗T2-T4中。所有处理中的蛋白酶，淀粉酶和脂肪酶活性（T1-T4）显着高于对照（P <.05）。控制中的GPT活性明显低于C0（P <.05），而对照中记录了较高的MDA水平（P <.05）。同时，与对照相比，在治疗中观察到较高的GPT活性（P <.05）。与C0相比，在对照中观察到较低的SOD，ACP和AKP活性。与对照相比，在所有益生菌进料组中观察到显着提高的SOD和AKP活性（P <.05）。与C0（P <0.05）相比，控制饮食导致肠壁厚度和绒毛高度的显着降低，较高的肠壁厚度和绒毛高度与对照相比，所有益生菌均呈现出（P <.05） ）除肠壁厚度外，除了治疗T3之外。因此，这些结果表明，四种鱼类源性益生菌菌株可以缓解虾中高水平SBM诱导的副作用，而益生菌B.Pumilus SE5显示出最佳性能。

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