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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.
Mike Persia (Virginia Tech) talks about the benefits of Direct-Fed Microbials (also Sulfur Amino Acid supplementation) to help manage the adverse effects of heat stress, in this interview during IPPE 2023 in Atlanta, USA....
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1. Introduction Aflatoxin B1 (AFB1), a toxic metabolite produced by Aspergillus flavus and Aspergillus parasiticus, is one of the most potent naturally occurring carcinogens [1]. It poses significant risks to animal health and productivity, particularly in poultry, where the contamination of feed is a prevalent issue [2]. Broiler chickens are highly susceptible to the adverse effects of AFB1 due to their rapid growth rates and high feed intake [3]. Recent studies have...
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CHAMPAIGN, Ill. – The Poultry Science Association (PSA) is pleased to announce the newly elected members of its Board of Directors, introduced during the 114th PSA Annual Meeting held July 14–17, 2025, in Raleigh, North Carolina.
The new board members bring a wealth of...
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Champaign, IL - The Poultry Science Association (PSA) concluded its 2025 Annual Meeting & Scientific Conference in Raleigh, North Carolina, marking another milestone in fulfilling the Association’s mission of aiding in the discovery, dissemination, and application of the poultry sciences. More than 1,200...
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1. Introduction There is considerable interest in the successful development of low protein diets for broiler chickens, which axiomatically contain high inclusions of supplemental amino acids. This is because low protein diets have the potential to generate economic, environmental and bird welfare advantages. Formulation of low protein diets are usually achieved by decreasing...
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I. INTRODUCTION The digestive dynamics of starch and protein are considered pivotal to broiler performance (Liu and Selle, 2015). Moreover, it was proposed that the rates of starch digestion and glucose absorption exceed the rates of protein digestion and amino acid absorption and this asynchrony in digestive dynamics compromises the performance of broiler chickens. If so, it follows that the provision of rapidly-digestible protein should enhance broiler performance in a reciprocal...
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I. INTRODUCTION Exogenous feed enzymes were first introduced as commercially-relevant feed additives in the 1980s with an initial focus on reduction of the antinutritional effects of high molecular weight soluble pentosans in wheat- and barley-based diets for young broiler chickens (Bedford & Partridge, 2010). Exogenous phytase was launched in the early 1990s to increase the digestibility of organic phosphorus and to reduce the antinutritional effects of phytic acid (Selle &...
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The use of Bacillus species as probiotic supplements is expanding rapidly and demonstrates immune stimulation, antimicrobial activities, enzyme production and competitive exclusion as the most prevalent modes of action. The objective of this study was to investigate the dosage influence on performance parameters of the novel probiotic strain CHCC15076 in birds recovering from necrotic enteritis (NE) caused by Clostridium perfringens. The experiment consisted of 1920 day of hatch Cobb...
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Dear Researchers, Accept greetings from here. Can someone kindly share his knowledge on gut health and teach me how to increase the number of beneficial bacteria for broilers?...
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In today's poultry industry, veterinarians, nutritionists, and animal production experts are facing challenges that go beyond sustainability and animal welfare. Nowadays, optimizing production efficiency and technological innovation are at the forefront of our concerns: Gut...
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Introducing Afla-V ONE: Fast, precise aflatoxin detection for complete feeds and pet foods
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Introduction Medication costs in the poultry industry (excluding vaccination costs) can account for up to 1% of the total production cost. This amount may not seem significant, however, when we talk about cash flow and investment from a business perspective, we can measure that it represents thousands of dollars, whose profitability often falls on the production unit manager and the person responsible for managing medications. In a layer hen business unit, for every 1 million layer...
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The livestock industry is currently confronted with stringent regulations limiting the use of antibiotics, along with growing challenges from resistant pathogenic bacteria. These factors have prompted an urgent need to seek alternative strategies that can effectively promote animal health and optimize feed...
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Supplemental Bacillus subtilis DSM 32315 modulates intestinal structure, microbial composition and improve the performance in broiler chickens
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I. INTRODUCTION Bacillus-based probiotics have gained increased attention as alternatives to antibiotic growth promoters (AGP) to support broiler performance in systems aiming to reduce the use of antibiotics and maintain gut health and function. Combatting poor gut health and disease susceptibility in an era without antibiotics has been made increasingly difficult due to the increasing cost of commercial feed ingredients. This has forced some producers to use cheaper dietary...
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Editorial
This month, our comprehensive search captured 74 new publications in poultry nutrition from 61 journals (March 10th to April 10th, 2025, Web of Science), featuring top contributions from Poultry Science (6), Frontier in Veterinary Science(6), Animals (5), Veterinary Medicine and Science (5), etc. ( Download the complete list...
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Challenges in poultry nutrition Today, commercial poultry nutrition no longer encompasses just the ‘pure’ delivery of the nutrients needed by the animals for their preservation, growth and health. It must also be flexible in adapting to changing statutory regulations and keeping up with increasing consumer demands – beginning with eliminating feed of animal origin by using carefully selected raw materials, reducing the use of drugs such as antibiotics, ensuring...
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Dysbacteriosis, an imbalance in gut microbiota, impairs nutrient absorption and growth in broilers. Severe cases can cause wet litter and high mortality. AGPs have long been used to enhance gut health and performance, but their prolonged use raises concerns over antimicrobial resistance in birds and humans. Removing AGPs from broiler diets has reduced performance and increased gastrointestinal tract (GIT) diseases. To mitigate the impact of AGP-free diets on broiler performance, various...
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Jonathan Cade comments on his new role as Chairman of the U.S. Poultry & Egg Association
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We encourage poultry scientists, educators, extension professionals, and students to share their original research, case studies, and fieldwork. Both oral and poster presentations are welcome, but abstracts must be submitted online and comply with PSA's submission guidelines.
The...
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Author details: 1 Department of Animal Science and Biotechnology, Chungnam National University, Daejeon 34134, South Korea; 2 Kemin Animal Nutrition and Health, Asia Pacific, Seongnam-si, Gyeonggi-do, South Korea. Introduction Nutrient supply to meet requirements accounts for the largest share of poultry production costs, within which protein (i.e., AA) supply makes up the second largest portion. The feeding of reduced protein diets is targeted to...
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Caio Tellini (Technical Department Manager, Safeeds Animal Nutrition) shares his research on a gut-targeted blend of essential oils and organic acids, and its effect on broilers' diets in this Engormix interview. ...
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Dr. Pradeep Krishnan (Evonik Animal Nutrition) highlights the growing importance of gut health in animal nutrition, addressing the immune challenges faced by producers. Discover how Evonik is leading the way with innovative solutions, such as probiotics and tributerins, to improve gut flora balance and integrity.
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