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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.
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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Dr. Hannele Kettunen (Sciandics) speaks about the benefits of resin acids from coniferous trees and their antimicrobial and anti-inflammatory properties, during the 5th IHSIG Symposium on Poultry Intestinal Health in Bangkok, Thailand....
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Drs. Steven C. Ricke and Katie Lynn Summers will be the invited 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.
Dr. Steven C. Ricke received his B.S. and M.S. from the Univ. of Illinois, Champaign-Urbana, IL. and Ph.D. from the Univ. of Wisconsin, Madison, WI. Dr. Ricke...
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Guillermo Tellez (University of Arkansas) shared his insights on gut health and the different studies done on the alternatives to control Necrotic Enteritis, during IPPE 2019 in Atlanta, USA....
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Billy Hargis (University of Arkansas) and Christi Swaggerty (USDA) joined Joao Batista Lancini and Saadia Nassik to comment on poultry gut health and vaccination, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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For a few years, we have been receiving advice from international health organizations about the use of antibiotics in the animal production industry. The World Health Organization (WHO) warned that a lack of effective antibiotics was as serious a threat to security as a deadly disease outbreak. We should focus our attention on a set of measures which promote safe animal growth and mainly act in the prevention of diseases. Many...
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Hello, We have problem with 40 weeks layers. Etiology is enteritis and fatty liver. Epizooty this moment is 2-3 percent in the week. In the feed since 35 age layers we use CCM 10 percent it is corn silage. We tried antibiotic, probiotic, prebiotic, acid, essential oil in the feed and in the water always have problem. Could you help me? ...
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During the Intestinal Health Workshop, supported by DSM Nutritional Products, Peter Ferket, Extension Specialist and Nutritionist (Poultry) at NC State University, give us details of the impacts of feedstuff processing and the whole feed processing in Poultry...
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Hyun S. Lillehoj, Senior Researcher Immunologist at the United States Department of Agriculture (USDA), makes a summary of her conference Avian gut immune system and gut homeostasis, during the Intestinal Health Workshop, at the North Carolina State University, supported by DSM Nutritional Products...
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Billy Hargis (University of Arkansas) talked about the costs of Coccidiosis, including malabsorption, welfare issues and promotion of necrotic enteritis, among other factors, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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