ReviewAnimals : an open access journal from MDPI2026
Host-Microbiota Interactions in the Regulation of Intestinal Health in Weaned Piglets: Molecular Mechanisms and Nutritional Intervention Strategies.
Review in Animals : an open access journal from MDPI, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
The weaning period represents a critical developmental window during which the intestinal host-microbiota interaction network in piglets undergoes profound remodeling and becomes highly vulnerable to disruption. Abrupt dietary transition, reduced feed intake, environmental stressors, and pathogen exposure can collectively interfere with gut microbial succession, epithelial barrier maturation, mucosal immune homeostasis, and neuroendocrine regulation, thereby increasing the susceptibility of piglets to post-weaning diarrhea, intestinal inflammation, and growth retardation. Gut microorganisms contribute to intestinal homeostasis by regulating epithelial renewal, barrier function, immune tolerance, inflammatory thresholds, and host metabolic adaptation through diverse microbial-derived signals, including short-chain fatty acids, tryptophan metabolites, bile acid derivatives, and amino acid-derived metabolites. Conversely, the host actively shapes microbial composition, spatial organization, and functional activity through mucins, antimicrobial peptides, secretory immunoglobulin A, intestinal alkaline phosphatase, epithelial oxygen gradients, and genetic factors. Dysregulation of these bidirectional interactions under weaning stress may shift the intestinal ecosystem from a homeostatic state toward dysbiosis and inflammation. In this review, we summarize current knowledge regarding the establishment and succession of the piglet gut microbiota, the molecular mechanisms underlying host-microbiota crosstalk, the disruption of these interaction networks during weaning stress, and the application of multi-omics approaches to decipher causal mechanisms. We further discuss microbiota-targeted nutritional strategies, including probiotics, prebiotics, synbiotics, postbiotics, functional amino acids, trace elements, and bioactive compounds, for improving intestinal health in weaned piglets. This review aims to provide a mechanistic framework for precision nutritional regulation of piglet intestinal health and for the development of antibiotic-alternative strategies in swine production.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.