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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.
Although nucleotides are not considered as essential nutrients, they play an important role in several metabolic processes, particularly in some body tissues and phases of animal life. Free nucleotides and nucleosides can be immediately absorbed by the enterocytes in the intestine and are especially important in tissues of rapid cell proliferation and limited capacity for synthesis through a de novo pathway (major route of nucleotides' production), as in in intestinal epithelial cells, blood...
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Conclusions The assay performed was performed using Chromobacterium violaceum CV026 strain, capable of producing violacein in response to the presence of short chain N-aclyhomoserine lactones. Ecobiol®, prevented the production of violacein demonstrating the quorum quenching activity on C. violaceum CV026, using either C6 HSL (homoserine lactone) as a substrate. Introduction "Quorum sensing" (QS) is a...
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Alternative procedure for determining lysine maintenance requirement in poultry
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INTRODUCTION Feed additives are substances that have the potential to enhance production performance without significantly altering the composition of feed. Broiler chicken requires high dietary energy and protein with balanced amino acid profile in the compound feed (Boling and Firman, 1998). Feed costs approximately about 70% of total production expenditure and nutrient lost in the feces either undigested or unabsorbed due to intestinal microbial population by parasitic action...
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Poultry probiotics market has witnessed phenomenal gains over the recent years, with the growing pressure regarding reducing the use of antibiotics in the food chain. With the surging demand for meat and meat products, there has been a subsequently high demand for natural growth promoters (NGPs) for livestock over the antibiotics. Basically, poultry probiotics are live microorganisms that exhibit several beneficial effects on animal health. These probiotics are usually incorporated in animal...
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In previous articles we overviewed different approaches for control of avian influenza in poultry including culling of infected birds , vaccination and the ...
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Introduction Given the fact that the poultry industry has been a main contributor to the U.S. food supply over the past two decades, with an increase from $44.4 billion in value of production in 2013 to $48.3 billion in 2014, the necessity of capitalizing on the production of poultry is evident (1, 2). With the increasing trend to systematically remove sub-therapeutic levels of antibiotics from poultry feed due to public demand, poultry producers have been facing new challenges...
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Antibiotics are commonly used in food animals to promote growth and prevent disease, as well as to treat sick animals. This has led to the development of antibiotic resistant pathogens and subsequently different countries have banned the use of antibiotics as growth promotion (AGPs). To eliminate the use of AGPs and to maintain animal productivity, some farmers have been using live microorganisms in the feed as feed supplements which beneficially affects the host animal by improving its...
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Kostas Mountzouris (Agricultural University of Athens) shared his insights on the development of better products to improve gut health, during IPPE 2018 in Atlanta, USA....
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Guillermo Tellez (University of Arkansas) spoke on the advances of the industry on gut health, especially when using probiotics, during IPPE 2018 in Atlanta, USA....
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Over the past few years, livestock production has increased exponentially. This has indeed made a subsequent impact on poultry probiotics market, with the increasing demand for NGPs (natural growth promoters) in animal feed. Poultry probiotics industry is strongly characterized by R&D and product innovation activities which have made this fraternity witness a fiercely competitive landscape. The industry players are constantly involved in implementing growth strategies such as global...
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Introduction Antibiotic growth promoters (AGP) are used worldwide to prevent poultry pathogens and disease so as to improve meat and egg production. However, the use of AGP resulted in common problems such as development of drug-resistant bacteria, drug residues in the body of birds, and imbalance of normal microflora. As a consequence, it has become necessary to develop alternatives using either beneficial microorganisms or nondigestible ingredients that enhance growth (Awad et...
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Debby Yen, Business Manager for the Animal Nutrition products at SYNBIO TECH Inc, presents SYNLAC™, a multi-strains direct fed microbial for monogastric animals applicable for poultry, swine, and pets, during IPPE 2018, in Atlanta, USA...
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This study investigated the potential of fermented liquid feed (FLF) to reduce Salmonella carriage in broiler chickens. In this experiment, a strain identified as Lactobacillus Salivarius ss Salivarius NCIMB 41606 (Lb salivarius) that had been isolated from chicken gut and had been selected for its fermentation and potential probiotic properties, was assessed for its efficacy in reducing the shedding of Salmonella enterica typhimurium Sal 1344 nal r in broilers. A total of 68...
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Alain Riggi, Global Poultry Manager at Phileo LeSaffre, explains how YCW Safmanman® positively influenced gut health of some birds in a tested necrotic enteritis model, during the 5th IHSIG Symposium on Poultry Intestinal Health in Bangkok, Thailand....
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Dr. Amir Ghane (DuPont) speaks on the interaction between probiotics and enzymes as part of the solution to antibiotic reduction and a way to improve gut health, during the 5th IHSIG Symposium on Poultry Intestinal Health in Bangkok, Thailand....
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Introduction Plant materials including flowers, roots, bark, leaves, seeds, peel, fruits, and wood can be used to extract aromatic and volatile liquids known as essential oils (EOs) (1–3). These EOs have a long history of use for medical purposes, in perfumes and cosmetics, and as herbs and spices for foods. EOs are considered to be secondary metabolites in plants; secondary metabolites are organic compounds that are not directly involved in the normal growth, development,...
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Alternative procedure for determining lysine maintenance requirement in poultry
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INTRODUCTION The continuous tendency to reduce the use of antibiotic growth promoters (AGP) in poultry production, due to social concern about generation of antibiotic-resistant bacteria, has resulted in the crucial necessity to find economically viable alternatives that can maintain optimal health and performance parameters under commercial conditions (1, 2). One possible substitute for AGP that has been extensively...
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1. Introduction Modern American agriculture has become successful in producing food security despite having less than 1% of the US population actually listing farming as their occupation [1]. The US Census of Agriculture estimates that 8.6 billion broiler chickens, 107 million turkeys, 96 million beef cattle, and 68 million pigs were sold for meat in 2007 with an additional 350 million laying hens and 79 million dairy cows producing eggs and milk [1]. Eighteen to 36 kg of manure...
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