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Probiotics and prebiotics in poultry nutrition
Under normal circumstances, there is a delicate balance of beneficial and pathogenic bacteria in the gastrointestinal tract (GIT). This is influenced by symbiotic and competitive interactions and relationships. The microbial communities will not only protect the GIT but also enhance productivity in the host. The use of probiotics and prebiotics are two approaches that have been examined and can potentially reduce enteric diseases in poultry and also enhance their productivity. These substances have been proposed to assist in the prevention of carcass contamination and improve the immune response in the chicken. Probiotics have been defined as 'a live microbial feed supplement which beneficially affects the host animal by improving its intestinal balance' (Fuller, 1989). The probiotic mode of action is by 'competitive exclusion', meaning there is competition for attachment sites in the GIT.
1. Introduction The permeability of the intestinal tract controls the uptake of nutrients and the transport of unwanted extracellular substances such as bacteria and xenobiotics, in addition to the non-digested substances. Therefore, gut health plays an essential role in the pathogenesis of various intestinal disorders. The permeability of the intestine is controlled by gut microbiota, digestive secretions, physical barriers (mucin, intestinal epithelial cells lining and tight...
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Lindsey Wythe (University of Wisconsin, Madison) speaks on modulation of microbiota development by dietary treatment, during the Symposium on Gut Health in St. Louis, USA....
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Tim Johnson (University of Minnesota) talks in depth about E. coli and Lactobacillus, during the Symposium on Gut Health in St. Louis, USA....
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Probiotics. Enzymes. Fiber. Gut Health. While these are all buzz words in human health, they are also topics that are increasingly being studied in the animal industry to aid performance and health of livestock raised to produce protein for human consumption. Moreover, as the poultry industry moves away from subtherapeutic antibiotic growth promoters (AGP) usage, multiple technologies have been explored to protect the health of birds from pathogens, while still maintaining low feed cost and...
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1 Introduction The rising number of recently reported human illnesses with bacterial infections resistant to multiple antibacterial agents has become a fundamental concern in recent years [1, 2]. This phenomenon has become a serious concern with regard to the emergence of antibiotic-resistant bacteria called “superbugs” [3, 4], especially when considering that humans only started using antibiotics in the past century with Sir Alexander Fleming’s discovery of...
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Following on from the success of the Research Topic “Alternatives to Antimicrobial Growth Promoters and their impact in Gut Microbiota, Health and Disease”, we are pleased to launch Volume II.
Over a century ago Eli Metchnikoff (1907) proposed the revolutionary idea of consuming viable bacteria to promote health by modulating the intestinal microbiota. The idea is more applicable now than ever since bacterial antimicrobial resistance has become a serious worldwide problem...
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Following the success of the Research Topic “ Alternatives to Antimicrobial Growth Promoters and Their Impact in Gut Microbiota, Health, and Disease: Volume II ,” we received an invitation from Frontiers to work on Volume II. This second volume includes 31 scientific articles, in the text of individual chapters in this Frontiers Research Topic. The editors are grateful to all 197 authors that contributed and participated in the achievement of Volume II. Homo...
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Necrotic Enteritis (NE) outbreaks cause an estimated US$6 billion financial loss per annum to the global poultry industry (Wade & Keyburn, 2015). With discontinuation of antibiotic growth promoters (AGPs) in Europe and implicit withdrawal of AGPs worldwide, a global research effort has been made to find alternative solutions to minimise diseases in animal production including NE. The current study investigated the benefits of a Bacillus subtilis derived probiotic (Bs29784) in NE...
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In the past few years, the concept of “gut health” has established itself as a norm in the scientific literature and animal production. Although the term “gut health” is not specially well-defined, scientists are in agreement that it refers to the capacity of the gastrointestinal tract (GIT) to carry out normal physiological processes and to maintain homeostasis, thereby enabling it to withstand both infectious and non-infectious stressors. It is believed that...
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Dr. Alain RIGGI, Global Poultry Manager at Phileo, highlights the main points of the poster "Effect of the dietary administration of premium yeast fractions on the productive performance of birds vaccinated against coccidiosis".
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Prof. dr. F. Van Immerseel, speaks about how poultry producers can improve gut barrier, microbiota, and birds’ resilience
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I. INTRODUCTION The importance of the microbiota and general gut health, in relation to animal health and thus performance, cannot be underestimated. This has led to the development of management tools to influence and support the gut microbiota, as well as gut health in general. Probiotics, defined by the FAO/WHO (2002) as “live microorganisms which when administered in adequate amounts confer a health benefit on the host”, are a good example thereof. Specifically...
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The Problem Gut and oviduct microbiota are closely related, especially because of the common connection with the cloaca. In this condition, modulating the gut microbiota with multi-strain probiotic supplementation may change the oviduct tract microbiota. How we investigated or researched the problem Hyline W36 laying hens housed in commercial aviaries were evaluated. Control animals were fed the farm’s conventional diet. The 2nd treatment received the...
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Introduction An increasing global population and food security needs have imposed a great pressure on poultry and livestock sectors to increase their production utilizing limited resources (1).Consequently, sub-therapeutic doses of antibiotics are being used widely in poultry as animal growth promoters and for prophylaxis (2). This is particularly true in low and middle income countries where poultry industries are playing an important role in their national economy...
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The need to reduce heat stress and oxidative stress in poultry is crucial to maintain bird performance and optimal margins for farmers. Phileo’s experts discuss how to mitigates the detrimental effects of heat stress using premium quality yeast cell walls. J...
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The use of probiotics in poultry has increased steadily over the years due to the higher demand for antibiotic-free poultry. The probiotics market was reached 80 million USD in 2018 and is projected to reach 125 million USD by 2025 at a compound annual growth rate of 7.7%. Introducing to you a product from ABTL named CosBac – Total Gut Health Solution, Multi-species with added Prebiotics. GUT HEALTH is the REAL WEALTH....
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The aspects that are focused to increase profitability in poultry sector are feed and gut among which gut is the key feature. Gut health and functionality plays a key role on nutrition absorption, feed efficiency, productivity, development of immunity and overall health of birds. The gut health relies upon 3 important pillars which are: ...
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CLINICAL AND SUBCLINICAL DISEASE Necrotic enteritis (NE) due to Clostridium perfringens is a disease of chickens (broilers, broiler breeders, commercial layers) and turkeys (Opengart and Songer, 2013). NE most often is diagnosed when it results in mortality and the presence of the gross lesion of a roughened-appearing mucosal surface of the small intestine at necropsy. However, the greatest economic loss to poultry producers may be due to the subclinical form of NE, which causes...
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