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Position: Home > Articles > Lactobacillus rhamnosus GG ameliorates DON-induced intestinal damage depending on the enrichment of beneficial bacteria in weaned piglets Journal of Animal Science and Biotechnology 2022,13 (1)

Lactobacillus rhamnosus GG ameliorates DON-induced intestinal damage depending on the enrichment of beneficial bacteria in weaned piglets

作者：

Yongsong Bai;Kaidi Ma;Jibo Li;Zhongshuai Ren;Jing Zhang;Anshan Sha

单位：

Northeast Agricultural University;Institute of Animal Nutrition, Northeast Agricultural University, Harbin, P. R. Chin;College of Animal Sciences, Jilin University, Key Laboratory of Zoonosis Research, Ministry of Education, Changchun, P. R. China;Institute of Animal Nutrition, Northeast Agricultural University, Harbin, P. R. China

关键词：

Deoxynivalenol;Gut microbiota;Intestinal inflammation;Lactobacillus rhamnosus GG;Piglet

摘要：

BACKGROUND: Deoxynivalenol (DON) is one of the most common environmental pollutants that induces intestinal inflammation and microbiota dysbiosis. Lactobacillus rhamnosus GG (LGG) is a probiotic that not only has anti-inflammatory effects, but also shows protective effect on the intestinal barrier. However, it is still unknown whether LGG exerts beneficial effects against DON-induced intestinal damage in piglets. In this work, a total of 36 weaned piglets were randomized to one of four treatment groups for 21 d. The treatment groups were CON (basal diet); LGG (basal diet supplemented with 1.77 × 10(11) CFU/kg LGG); DON (DON-contaminated diet) and LGG + DON (DON-contaminated diet supplemented with 1.77 × 10(11) CFU/kg LGG). RESULT: Supplementation of LGG can enhance growth performance of piglets exposed to DON by improving intestinal barrier function. LGG has a mitigating effect on intestinal inflammation induced by DON exposure, largely through repression of the TLR4/NF-κB signaling pathway. Furthermore, supplementation of LGG increased the relative abundances of beneficial bacteria (e.g., Collinsella, Lactobacillus, Ruminococcus_torques_group and Anaerofustis), and decreased the relative abundances of harmful bacteria (e.g., Parabacteroides and Ruminiclostridium_6), and also promoted the production of SCFAs. CONCLUSIONS: LGG ameliorates DON-induced intestinal damage, which may provide theoretical support for the application of LGG to alleviate the adverse effects induced by DON exposure.

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Lactobacillus rhamnosus GG ameliorates DON-induced intestinal damage depending on the enrichment of beneficial bacteria in weaned piglets

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