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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.
Héctor Leyva-Jiménez (United Animal Health) explains the results obtained in his research on dietary supplementation of a Bacillus-based direct-fed microbial, in this interview during IPPE 2024 in Atlanta, USA....
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Poultry farmers are looking for feed additives to boost the immune system and improve gastrointestinal health in the post-antibiotic era. Bacillus species-based fermented products are an influential and effective alternative to optimize gut health. Bacillus species-based fermented products and their derived antimicrobial cyclolipopeptides Bacillus spp. are gram-positive bacteria with rod-shaped endospores that generate...
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Actisaf® Sc 47 HR+, which is a successful and valuable probiotic is now being released for use by the poultry industry. Hear What Dr. Alain Riggi from Phileo by Lesaffre has to say about it...
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Dr. Alain Riggi (Phileo by Lesaffre) speaks about boosting beneficial microbial diversity in poultry with Postbiotic...
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Dr. Alain Riggi (Phileo by Lesaffre) points out how a yeast postbiotic impacts turkey gut microbiota through trials...
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Dr. Alain Riggi (Phileo by Lesaffre) unveils Safmannan's role in reducing pathogens in poultry...
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I. INTRODUCTION To ensure productivity of poultry farming, the intestinal health of chickens, among other factors, must be considered to achieve maximum nutrient absorption and utilisation for the animals to develop properly (Oleforuh-Okoleh et al., 2015). Nonetheless, with the reduction or ban of the use of performance-enhancing antimicrobials on a worldwide basis, the quest for products able to modulate the intestinal microbiota of birds has intensified. Enzymes, organic acids,...
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Theresia Lavergne (Natural Biologics) talks about the gut microbiome and research on modulation with a postbiotic feed additive, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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1-Monoglycerides of short and medium chain fatty acids (monobutyrin, monocaprin and monocaprylin) have shown positive effects on cell metabolism, intestinal integrity and immune system (Calder 2008). However, little is known about their effect on laying hen health, performance and egg quality. Therefore, this study was designed to add further insight into the applied benefits as well as optimal inclusion level of 1-monoglycerides of butyric, capric and caprylic acid on hen performance, their...
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Long-term feeding of dietary fibre (DF) has been reported to cause erosion of the epithelial cell layer resulting in mucosal damage with a decrease in villus height in the small intestine (Iji et al., 2001). This project studied the long-term effects of low and high levels of soluble DF on gut physiology by comparing transcriptome in the jejunum between groups. We hypothesized that soluble DF would cause an increase in immune system activity and result in an increased inflammatory response...
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More recently, probiotics have attracted considerable attention in subsiding oxidative damage caused by heat stress in poultry. Numerous researchers have reported the potential benefits of probiotics in improving gut morphology and integrity in heat-stressed birds. Bacillus is of industrial importance several reasons, including its excellent safety record, rapid growth rate resulting in short fermentation cycles, and ability to secrete proteins into the extracellular medium....
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1. Introduction The use of antibiotics growth promoters (AGPs) has been a common practice in intensive poultry production to improve animal growth performance, health, and sustainability of animal farming (1). However, AGPs threaten human health due to the risk of developing antimicrobial resistance and drug residue in poultry products (2). Consequently, AGPs have been prohibited in several countries, including the European Union, the United States, and China. However, AGPs...
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Effects of dietary amino acids in ameliorating intestinal function during enteric challenges in broiler chickens
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INTRODUCTION Campylobacteriosis is among the most frequently reported bacterial foodborne infection in both the European Union (EU) and the United States, with Campylobacter jejuni as the major causative agent. In the last decade, the number of confirmed infections in the EU exceeded 200,000/year. Symptoms of campylobacteriosis include diarrhea, fever and cramps. Death rarely occurs, but complications can increase more than fivefold due to infections with antibiotic-resistant...
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INTRODUCTION Livestock monogastric species, including swine and poultry, are the main sources of meat; therefore, they are, at the same time, the main livestock species reared under intensive conditions (Eurostat, 2022). The pressure to increasingly optimize breeding resulted in antimicrobials often being used for both prophylactic and metaphylactic purposes to counteract the diseases of these animals or as growth promoters. It is currently commonly recognized that the misuse of...
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Afla V ONE 5 - 300 ppb Method for Total Aflatoxin Detection in Complete Feeds and Pet Food
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Theresia Lavergne (Natural Biologics) To produce resilient and healthy poultry, it is necessary to understand the effects of diet and dietary feed additives on the microbiome and its development. This trial was conducted to evaluate the microbiota of broilers 14, 28, and 42 d of age, while feeding them a combination of yeast postbiotics and fermentation extracts (Provillus 4Poultry). A total of 300 Ross 308 male chicks were allotted to 2 treatments:...
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Mueez Ahmad (Arm & Hammer) comments on the best practices to achieve antibiotic-free production, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Ryan Arsenault (University of Delaware) Significant research and development has been committed to finding alternatives to antibiotics that are at least as effective as conventional antibiotics in preventing disease and promoting growth. It has been well known for 70 years that antibiotics have this dual disease/growth effect. However, it was only around the turn of the century that consideration of antibiotic host effects on growth and immunity were...
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Ryan Arsenault (University of Delaware) talks about immunometabolism and takes a look at feed additives such as postbiotics and butyrate, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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INTRODUCTION Campylobacter is a prevalent foodborne pathogen in poultry such as chicken and turkey. It causes foodborne disease in humans (campylobacteriosis) due to consumption of contaminated poultry products, thus constituting a major public health issue (Sahin et al., 2002; Newell and Fearnley, 2003). Control of Campylobacter in poultry to improve microbiological safety is a primary concern for consumers and government food safety agencies (Lin, 2009). Traditionally,...
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INTRODUCTION In the modern poultry production system, the first reported chick embryos injection of thiourea was done by Grossowicz in 1946 to observe the effect in hatchling and post-hatch life (1), followed by thyroxin by Balaban and Hill (2). Later, in ovo technique (IOT) was first opted for vaccination against Marek’s disease by Sharma and Burmester (3). Subsequently, the success of in ovo vaccination (IOV) has set forth a paradigm shift in the poultry industry by adapting...
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