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The influence of probiotics of different microbiological composition on histology of the gastrointestinal tract of juvenile Oncorhynchus mykiss
Microscopy Research and Technique ( IF 2.5 ) Pub Date : 2021-09-08 , DOI: 10.1002/jemt.23927 Alexei Nikiforov-Nikishin 1 , Dimitri Nikiforov-Nikishin 1 , Nikita Kochetkov 1 , Svetlana Smorodinskaya 1 , Victor Klimov 1
Microscopy Research and Technique ( IF 2.5 ) Pub Date : 2021-09-08 , DOI: 10.1002/jemt.23927 Alexei Nikiforov-Nikishin 1 , Dimitri Nikiforov-Nikishin 1 , Nikita Kochetkov 1 , Svetlana Smorodinskaya 1 , Victor Klimov 1
Affiliation
This article presents results of the influence of three probiotic feed additive of various microbiological composition: Bacillus subtilis (VKPM B-2335); B. subtilis (OZ-2 VKPM-11966) + Bacillus amyloliquefaciens (OZ-3 VKPM-11967); Lactobacillus acidophilus (VKPM B-3235) on the growth and histology of the organs of the gastrointestinal tract of juvenile Oncorhynchus mykiss by morphometric parameters. These probiotic bacteria are the most commonly used in aquaculture. The effect of the probiotic feed additive led to the increase in fish growth and influenced different sections of the gastrointestinal tract. The biggest change was found in the mid intestine and the reliable difference compared with the control diet was obtained at the following parameters: lamina propria width, intraepithelial lymphocytes number of prismatic epithelium and goblet cells area. The changes in the pyloric appendages were less obvious but reported as playing an important functional role in digestion. The liver preserved normal functional structure in all series of the experiment except for the group with L. acidophilus, where hepatocyte small-drop vacuolization was observed. That might be connected with the change of the digest activity resulting from a decrease in secretory activity of the intestinal exocrinocytes. The use of all probiotic feed additives led to a similar change in morphometric parameters in all groups, which suggests a decrease in the immune response.
中文翻译:
不同微生物组成的益生菌对幼鱼胃肠道组织学的影响
本文介绍了三种不同微生物组成的益生菌饲料添加剂的影响结果:枯草芽孢杆菌(VKPM B-2335);B. 枯草芽孢杆菌(OZ-2 VKPM-11966) + 解淀粉芽孢杆菌(OZ-3 VKPM-11967);嗜酸乳杆菌(VKPM B-3235) 对幼年Oncorhynchus mykiss胃肠道器官的生长和组织学的影响通过形态学参数。这些益生菌是水产养殖中最常用的。益生菌饲料添加剂的作用导致鱼类生长增加并影响胃肠道的不同部分。在中肠发现了最大的变化,并且在以下参数下获得了与对照饮食相比的可靠差异:固有层宽度、棱柱状上皮的上皮内淋巴细胞数量和杯状细胞面积。幽门附件的变化不太明显,但据报道在消化中起着重要的功能作用。除嗜酸乳杆菌组外,所有系列实验的肝脏均保持正常的功能结构,其中观察到肝细胞小液滴空泡化。这可能与肠道外分泌细胞分泌活性降低导致的消化活性变化有关。所有益生菌饲料添加剂的使用导致所有组的形态学参数发生类似变化,这表明免疫反应降低。
更新日期:2021-09-08
中文翻译:
不同微生物组成的益生菌对幼鱼胃肠道组织学的影响
本文介绍了三种不同微生物组成的益生菌饲料添加剂的影响结果:枯草芽孢杆菌(VKPM B-2335);B. 枯草芽孢杆菌(OZ-2 VKPM-11966) + 解淀粉芽孢杆菌(OZ-3 VKPM-11967);嗜酸乳杆菌(VKPM B-3235) 对幼年Oncorhynchus mykiss胃肠道器官的生长和组织学的影响通过形态学参数。这些益生菌是水产养殖中最常用的。益生菌饲料添加剂的作用导致鱼类生长增加并影响胃肠道的不同部分。在中肠发现了最大的变化,并且在以下参数下获得了与对照饮食相比的可靠差异:固有层宽度、棱柱状上皮的上皮内淋巴细胞数量和杯状细胞面积。幽门附件的变化不太明显,但据报道在消化中起着重要的功能作用。除嗜酸乳杆菌组外,所有系列实验的肝脏均保持正常的功能结构,其中观察到肝细胞小液滴空泡化。这可能与肠道外分泌细胞分泌活性降低导致的消化活性变化有关。所有益生菌饲料添加剂的使用导致所有组的形态学参数发生类似变化,这表明免疫反应降低。