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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.
Steven Ricke (University of Arkansas) shared strategies for the development of feed additives to obtain optimal poultry performance and gastrointestinal health, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Kelsy Robinson (Oklahoma State University) discussed the importance of a better understanding of intestinal mycobiota to improve poultry health and productivity, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Guillermo Tellez (University of Arkansas) shared the enteric inflammation models that his laboratory has developed, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Poultry production systems are highly challenging. They are affected by environmental factors like temperature, ventilation, population density and other stressing agents (Rocha et al. , 2014). Additionally, pathogens and mycotoxins are constantly present, which may reduce or affect the immune response of broilers. Broilers have a large amount of lymphoid tissue and immune system cells in the intestinal mucosa, which is known as GALT (gut-associated lymphoid tissue) and forms...
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Effect of <i>Cordyceps militaris </i> Hot Water Extract on Immunomodulation-associated Gene Expression in Broilers, Gallus gallus (Extract)
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Dr. Mike Kogut, Chair of the Organizing Committee, talked about the success of this 8th Symposium on Gut Health in Production of Food Animals in St. Louis and shared some of the ideas for next year's edition. ...
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Dr. Mike Kogut, Chair of the Organizing Committee, talked about the success of this 8th Symposium on Gut Health in Production of Food Animals in St. Louis and shared some of the ideas for next year's edition....
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Guillermo Tellez (University of Arkansas) talked about the benefits of DFM and how they act when administered in the feed or in the water, during IPPE 2018 in Atlanta, USA....
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Guillermo Tellez (University of Arkansas) will be one of the speakers at the 2019 edition of the Symposium on Gut Health in Production of Food Animals.
The event will be held November 4-6 in St. Louis, Missouri. The venue will be the Hilton St. Louis at the Ballpark.
His lecture will be...
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The Symposium on Gut Health in Production of Food Animals will take place in St. Louis, USA, on November 4-6, and will count with Kostas Mountzouris (Agricultural University of Athens) as one of the speakers.
Mountzouris will be giving a presentation at this event entitled "Profiling phytogenic inclusion...
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Stefan Jakob (Adisseo) talked about the animal immune system, during CLANA 2018 in Sao Paulo, Brazil....
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Introduction The genus Brachyspira includes seven officially named and several unofficially named species of anaerobic spirochaetes that colonize the large intestine of mammals and birds [1]. The three most commonly reported pathogenic species are Brachyspira hyodysenteriae, the agent of swine dysentery, Brachyspira intermedia, a pathogen mainly of adult chickens, and Brachyspira ...
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Pore-forming toxins (PFTs) are a diverse group of cytolytic proteins that are produced by many different organisms (1, 2). Bacterial PFTs are important virulence factors (1) and in general are produced as soluble precursors that bind to the host cell membrane and assemble as oligomers that subsequently form transmembrane pores (3, 4). PFTs can be divided into two classes depending on whether the pore is formed from a β- or an α-barrel (5). The aerolysin-like β-PFT...
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Introduction Necrotic enteritis (NE) is one of the most important enteric infectious diseases affecting global poultry production with an estimated annual economic loss of more than $2 billion, largely attributable to increased costs associated with medical treatments and impaired growth performance [1,2]. Host-pathogen interaction in NE is complex and the nature of host and pathogen genetic factors implicated in NE pathogenesis is still unknown [3,4]. NE is caused by infection...
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Introduction Increasing scientific awareness of the role of some intestinal bacteria in promoting health and improving production has enhanced the use of probiotic bacteria as active functional ingredients in animal and human nutrition. Delivery of probiotic strains of lactic acid bacteria (LAB)to poultry may be mediated by addition to either the water or the feed. Added benefit may be obtained if the feed is allowed to ferment to produce a feed containing at least 150 mmol...
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Background Clostridium perfringens is a bacterial pathogen that causes a wide variety of diseases ranging from gas gangrene and food poisoning in humans to necrotic enteritis in chickens [1]. Aside from host factors, the type and severity of disease is dependent on the production of a set of toxins and extracellular enzymes [1]. Most C. perfringens toxins are not produced by all strains; their structural genes are present as a part of the accessory genome encoded on large...
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Greg Mathis (Southern Poultry Research) offered his insights on what to do and use to control and mitigate this diseases, including essential oils, butyric acid and other additives, during IPPE 2018 in Atlanta, USA....
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INTRODUCTION The intestinal microbiome shapes the gut immune system. In rodents, for example, intestinal colonization by Bifidobacterium infantis or Faecalibacterium prausnitzii stimulates the development of Foxp3 + T regulatory cells (Tregs) and interleukin-10 (IL-10) production, while segmented filamentous bacteria induce proinflammatory T helper 17 (Th17) cell development (Lee and Mazmanian, 2010). In chickens, Yin et al. (2010) reported that an evolving gut...
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ABSTRACT The effect of dietary inclusion of Bacillus subtilis DSM 32315 on the intestinal health and growth performance of Cobb 500 male broilers subjected to a Clostridium perfringens -induced necrotic enteritis (NE) challenge was determined in 2 experiments. In experiment 1, chicks were randomly assigned to 4 treatments of 10 replicate/treatment. In experiment 2, chicks were randomly assigned to 4 treatments of 12 replicates/treatment. The experimental...
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The ongoing transfer of science and technology is a defining feature of the efficiency and success of commercial poultry production. Meeting the nutritional, environmental, and health needs of every bird is key to realizing genetic potential and providing for well-being. To monitor and quickly identify developing problems, basic knowledge and skills in pathology are learned by almost everyone involved in live production. To add value to the standard postmortem procedure, we describe a...
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