Peer-reviewed veterinary case report
How a dog's gut bacteria and metabolism recover after travel
By Lyu Y et al.·2026·Animal Nutrition Institute, China·View original on Europe PMC →
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Original publication title: Post-transport recovery trajectory of the canine gut microbiome and metabolome.
- Species:
- dog
Plain-English summary
A group of dogs was studied to see how their gut health and behavior changed after being transported by road. After the trip, their poop consistency improved quickly, but their behavior initially worsened before stabilizing. The gut bacteria also changed significantly, with different types becoming more common over the week following transport. By the end of the week, the dogs showed ongoing differences in their gut health and behavior compared to before the trip. Understanding these changes can help improve the care and comfort of dogs during and after transport.
People also search for: dog behavior after travel · dog gut health transport · improving dog poop consistency after moving
Abstract
<h4>Background</h4>Transportation induces a multisystem stress response in companion animals, yet the integrated recovery dynamics across physiological, microbial, and metabolic domains remain poorly characterized. This study comprehensively tracked the 7-day recovery trajectory in dogs following road transport by analyzing clinical parameters, fecal microbiome and metabolome.<h4>Results</h4>Time-dependent changes were observed across domains, with differing temporal patterns. Fecal consistency improved rapidly, while behavioral scores exhibited a decrease followed by stabilization. Microbial alpha diversity initially decreased, with significant community restructuring persisting throughout recovery, culminating in a new stable state distinct from the arrival (D0) state. This shift was characterized by early enrichment of Fusobacterium and Clostridium sensu stricto 1, followed by late dominance of Erysipelatoclostridium, contrasting with the initial post-transport (D0) community dominated by Prevotella 9, Lactobacillus, Phascolarctobacterium, Anaerobiospirillum, Parabacteroides, and Prevotellaceae GA6A1 group. Metabolomic profiling confirmed a sustained metabolic shift, involving pathways in the biosynthesis of steroid and unsaturated fatty acids and the metabolism of butanoate and several amino acids. Strong cross-domain correlations linked specific microbial genera and metabolites with behavioral improvement, underscoring gut-brain axis involvement.<h4>Conclusion</h4>By D7, several measures remained distinct from the arrival (D0) state, indicating persistent multi-system differences during the first week after transport. These findings elucidate the complex, coordinated adaptation to transport stress, highlighting ongoing clinical, microbial, and metabolic differences by D7 and providing a framework for interventions aimed at enhancing welfare and resilience in transported companion animals.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41965866