Abstract
Weaned stress may damage the tissue development, barrier function, and balance of microbiota of gut, resulting in the diarrhea and reduced growth performance of piglets. Probiotics with excellent characteristics can enhance the resistance of piglets to weaned stress. Under a poor sanitary condition, the Limosilactobacillus reuteri (L. reuteri) SLZX19-12 was supplemented to check its effects for piglets. Results showed that supplementation of L. reuteri significantly decreased the diarrhea incident, improved the growth performance, and enhanced the barrier integrity of gut. In ileum, L. reuteri decreased inflammation by NFκB p65 pathway, increased propionate, TCDCA, and THDCA contents, and regulated microbiota. In colon, L. reuteri decreased the inflammation by NFκB p65 pathway, reduced DCA content, and regulated microbiota. Therefore, the supplementation of L. reuteri may alleviate weaned stress by improving immune function and regulating the gut microbiota in piglets.
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