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Related Fowl Typhoid outbreaks and vaccines in Southern Africa | Infectious Diseases 2023 | Infectious diseases

Related Fowl Typhoid outbreaks and vaccines in Southern Africa | Infectious Diseases 2023 | Infectious diseases
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Frontiers | Cecal Microbiota of Free-Range Hens Varied With Different Rearing Enrichments and Ranging Patterns

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 weekly changed novel objects, and ‘structural’ with custom-designed perching structures in the pens. At 15 weeks, 45 pullet cecal contents were sampled before moving 1386 pullets to the free-range housing system. At 25 weeks, range access commenced, and movements were tracked via radio-frequency identification technology. At 65 weeks, 91 hens were selected based on range use patterns (‘indoor�

Frontiers | Contribution of the Gut Microbiota to Intestinal Fibrosis in Crohn s Disease

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 to the pathogenesis of intestinal fibrosis. For example, the presence of antibodies against gut microbes can predict which CD patients will have intestinal complications. In addition, microbial ligands can activate intestinal fibroblasts, thereby inducing the production of extracellular matrix. Moreover, in various animal models, bacterial infection can lead to the development of intestinal fibros

How to overcome dysbiosis in broiler production using a complementary and holistic approach

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.

Gut instinct: Innovative feedstuffs hold huge potential for boosting microbiome

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 to keep in mind that gut health is much more than a healthy gut,” she said during a recent EURACTIV event, pointing out its role in contributing to the overall physiological and behavioural needs of animals.

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