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Free-range pullets are reared indoors but the adult hens can go outside which is a mismatch that may reduce adaptation in the laying environment. Rearing enrichments might enhance pullet development and adaptations to subsequent free-range housing with impact on behavior and health measures including gut microbiota. Adult free-range hens vary in range use which may also be associated with microbiota composition. A total of 1700 Hy-Line Brown® chicks were reared indoors across 16 weeks with three enrichment treatment groups: ‘control’ with standard litter housing, ‘novelty’ with we...

In Crohn’s disease (CD), intestinal fibrosis is a critical determinant of a patient’s prognosis. Although inflammation may be a prerequisite for the initiation of intestinal fibrosis, research shows that the progression or continuation of intestinal fibrosis can occur independently of inflammation. Thus, once initiated, intestinal fibrosis may persist even if medical treatment controls inflammation. Clearly, an understanding of the pathophysiological mechanisms of intestinal fibrosis is required to diminish its occurrence. Accumulating evidence suggests that the gut microbiota contributes ...

In modern broiler production, producers face a multifactorial problem including challenging environmental conditions, feed quality, and intestinal health. The interaction between these elements is key for the development of the morphology and the function of the gastrointestinal tract (GIT). This is essential for nutrient digestibility and absorption, but it is also the first line of defense against pathogens, viruses, and parasites.

The potential of innovative feed solutions for boosting gut microbiome health of animals remains underexplored, despite mounting scientific evidence indicating that it underpins both animal health and welfare, stakeholders have highlighted. Pointing to the fact that the intestinal tissue harbours 60-70% of animals’ immune systems, Daniela Battaglia, livestock production officer at the UN’s food and agriculture organisation (FAO), stressed that adequate animal nutrition has a huge impact on allowing the gut microbiome to function as a barrier against the invading pathogens. “We have also...