Poultry gut health
The efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both broiler and broiler breeder production and welfare. Gut health, an intricate and complex area combining nutrition, microbiology, immunology and physiology, has a key role to play. When gut health is compromised, digestion and nutrient absorption are affected which, in turn, can have a detrimental effect on feed conversion leading to economic loss and a greater susceptibility to disease. In addition, recent changes in legislation on the use of antimicrobials, differing feed requirements and more efficient birds highlight the need for a better understanding of gut function and gut health.
Introduction The poultry industry plays a vital role in global food security, providing an affordable and efficient source of animal protein (Castro et al., 2023). However, maintaining flock health and productivity remains a major challenge, with intestinal health playing a central role in poultry performance (Korver, 2023). With the rise of antibiotic resistance across the globe, the potential restriction of in-feed antibiotic growth promoters (AGPs) in animal food production could...
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INTRODUCTION There is an increasing demand for animal-based protein to meet the nutritional needs of the ever-increasing global population. The protein obtained from broiler meat is one of the most promising animal-sourced proteins, considering its quality and affordability. To contribute to the supply of animal-based protein, fastgrowing broiler strains have been developed for higher muscle yield in a short period. However, broiler’s faster growth in a limited time results in...
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INTRODUCTION Reducing the production cost of quality meat and eggs for the ever-growing world population is a prime target of the poultry industry. Conventional feed ingredients like corn and soybean meal are widely used in broiler feeding programs, which increase the competition among food and feed and lead to raise production costs (Donohue and Cunningham, 2009; Stefanello et al., 2016). Several strategies were attempted to minimize the cost per unit production, such as...
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INTRODUCTION The world’s population is growing exponentially, causing a rise in demand for animal-based protein. To meet the meat demand, broiler chickens have been genetically selected for higher feed efficiency and high muscle yield. As a result, these broiler chickens produce a high amount of metabolic body heat and are highly susceptible to heat stress (HS), especially during the summer. Moreover, chickens lack sweat glands and have feather covers, which make them extremely...
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NOREL participated in the Poultry Research Days (JRA) in France, represented by its Area Sales Manager for France, Germany, and Belgium, Marie Cadieu. This French scientific congress was held over two days, on March 18 and 19, 2026, in the city of Tours. The event is organized every two years...
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Stella Molck, Scientist Microbiology RD&I at Evonik, discusses the importance of outgrowth speed in spore-forming probiotics and how it influences gut colonization, microbial balance, and overall effectiveness in animal nutrition. ...
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Dr. Stella Molck, Scientist Microbiology RD&I at Evonik, explains how dynamic in vitro intestinal simulation tools provide deeper insights than traditional poultry gut health studies, helping researchers better understand gut function, feed additive performance, and microbiome interactions. ...
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Author details: 1 Federal University of Santa Maria (UFSM), Veterinary Medicine Graduate Program, Master in Animal Health and Reproduction, Santa Maria, Brazil; 2 Federal University of Santa Maria (UFSM), Department of Animal Science, Santa Maria, RS 97105-900, Brazil; 3 Federal University of Santa Maria (UFSM), Center for Rural Sciences, Department of Preventive Veterinary Medicine, Laboratory of Diagnosis of Avian Pathologies, Santa Maria, Brazil; 4 Santa Catarina State...
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Introduction Between 15 and 20 weeks of age, layer pullets undergo rapid physiological changes, including reproductive tract maturation, ovarian follicles development, increased calcium intake for medullary bone formation, and metabolic and hormonal adjustments to support daily egg production (Xin et al., 2022; Bahry et al., 2023; Noetzold and Zuidhof, 2025). These developmental events impose higher nutritional and immunometabolic demands. Consequently, pullets entering lay are...
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There has been an observed increase in the presence of agricultural chemicals in drinking water (1). However, the health risks associated with chronic exposure remain poorly understood (2). Most risk assessments rely on single-chemical studies, despite evidence that mixtures exert synergistic or compensatory effects on host physiology and microbial function. Xenobiotics, including pesticides and emerging contaminants such as microplastics (MPs), enter livestock and humans primarily...
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Algorithms and poultry: an unlikely sounding but effective combination
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INTRODUCTION
For many years, broiler intestinal health was supported by the widespread use of antimicrobial growth promoters (AGPs). These AGPs are antibiotic substances that were added to the feed at subtherapeutic levels, leading to improved animal performance. In the European Union, the use of AGPs was banned in 2006 while the Center for Veterinary Medicine of the US Food and Drug.
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The global poultry industry is undergoing a major transformation driven by increasing demand for sustainable production practices, reduced antibiotic usage, and improved feed efficiency. Modern poultry producers are under constant pressure to maintain bird performance while minimizing environmental impact and production costs. In this evolving landscape, sustainable feed additives have emerged as an effective solution for improving poultry gut health, nutrient utilization, and overall...
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1. Introduction Intense genetic selection, combined with an effective feeding program and efficient rearing management greatly improved productivity and efficiency of broiler production [1]. Despite the low genetic variation and well-controlled rearing environment in modern broiler production, there can still be noticeable variations in body weight (BW) within a flock [2]. Ideally, broiler production wants to produce homogenous products for production efficiency [3]. High variations...
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Lighting as a Strategic Tool for Optimizing Poultry House Performance
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Introduction Whereas modern broilers have low genetic variation and wellcontrolled rearing environment, there are still high variations in BW within a flock (Lundberg et al., 2021). While uniformity is a universal issue in poultry production, there are still no cost-effective interventions other than culling heavy and small birds to improve uniformity within a broiler flock (Choi et al., 2026). Poor uniformity can cause tremendous economic loss mainly by decreasing efficiency...
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Disruptions within the microbiome–gut–bone axis are increasingly recognized as key contributors to impaired bone metabolism and leg disorders in broiler chickens. This study investigated the effects of a combined dietary additive containing Bacillus subtilis DSM 29784 and a phytogenic blend of garlic and essential oil components (BsP) on the modulation of microbial communities, intestinal integrity, mineral utilization, and bone-associated immune–osteogenic...
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Best Practices for Sustainable Waste Management and Environmental Solutions
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Abstract The effect of addition of sunflower hulls (SFH) as an insoluble fiber on performance and some physiological parameters of broiler chickens fed diets containing full-fat canola seed (CS) was evaluated from 11 to 42 d of age in a 2 × 2 factorial arrangement of treatments. A total of 240 one-day-old broilers (Ross 308) were randomly devoted to 4 treatments, with 6 replicates each and 10 birds per replicate. Treatments were canola oil source (CS, and...
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Anita Menconi, Regional Business Director, Specialty Nutrition, Americas at Evonik, explains how this probiotic simplifies life for feed manufacturers and producers. From operational ease to compatibility with AGPs and anticoccidials in complex feed programs, she breaks down why flexibility and stability matter in real-world production systems. ...
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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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Dr. Sachin Patil from Huvepharma, speaks about Aviapp®, a digital platform designed to monitor broiler gut health ...
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Introduction The modern poultry industry is under increasing pressure to optimize efficiency following the phase-out of antibiotic growth promoters (AGPs). To achieve this, we must prioritize gastrointestinal tract (GIT) health to ensure effective nutrient...
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