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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.
Mike Kogut, Chair of the Organizing Committee, talks about the meeting's most interesting discussions and announces the dates for the next edition....
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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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APIs and Vitamin MARKET - The weak demand for the APIs
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Annelies Kers (Utrecht University) Knowledge of factors that influence the functioning of gut microbes is essential to improve health and reduce the use of antibiotics in poultry production. The environment, and more specifically housing conditions, can affect the gut microbiome of broiler chickens. The gut microbiome is defined as the collection of all the microorganisms and their “theatre of activity” in the gut environment. Previous...
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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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Kostas Mountzouris (Agricultural University of Athens) A deeper understanding of critical bird homeostasis responses may augment poultry industry efforts for improved bird resilience and production sustainability. The aim of this work was to explore the expression range of critical genes in the broiler gut as responses to diverse dietary inputs. The gene transcripts studied were grouped based on their functional role under functional indices, termed...
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Mueez Ahmad (Arm & Hammer) Enterococcus faecalis is considered a normal inhabitant of the poultry gastrointestinal tract. Although it has been known to be an opportunistic poultry pathogen, high levels of this organism can be recovered from the intestinal tract of normal, healthy birds with no known disease issues. More recently, an increasing number of poultry veterinarians and diagnostic laboratories have been reporting that E. faecalis is...
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Ioannis Brouklogiannis (Agricultural University of Athens) This study was conducted to investigate the inclusion level effects of a natural phytogenic blend (PB) on production performance, egg quality, and underlying detoxification (aryl hydrocarbon receptor; AhR), antioxidant (nuclear factor erythroid 2-related factor 2; Nrf2) and inflammatory (nuclear factor-kappa B; NFκB) responses in layers’ duodena and ceca. Depending on PB...
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The objective of the study was to evaluate tryptophan’s functionally essential role in regulating performance, intestinal inflammation, and disease resistance during a coccidia challenge. A total of 300 two-day-old Cobb 500 broiler chickens (54.29 ± 0.284 g body weight [BW]) were group housed (5 chickens/pen; 10 pens/treatment) in battery brooders and had ad libitum access to a basal diet and water. At 7 d of age, pens were randomly assigned to 1 of 6 levels of dietary...
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Christos Gougoulias (Innovad) Modern poultry broiler production strives for the maximum live weight, which can contribute to chronic intestinal inflammation and broader metabolic syndromes. There is thus a need to establish realistic models that help the industry. Several challenge models have been proposed by the scientific community and these include biological agents or pathogens, chemicals, reused litter, and, more recently, different non-starch...
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Kostas Mountzouris (Agricultural University of Athens) shares his research on modeling responses through molecular analytical data, linked to animal homeostasis, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Bacillus Amyloliquefaciens CECT 5940 Allowed Maintaining of Performance and Accelerated Microbiota Maturation of Broilers Fed Alternative Ingredients
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Theresia Lavergne (Natural Biologics) comments on her research on the antiviral properties of medium-chain monoglycerides in pigs with PRRS challenge, as well as future tests on poultry viruses, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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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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How to protect birds against stress? Safmannan® Predictable performance
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Brian Aldridge (University of Illinois) Biological health is a complex topic of discussion and is often misunderstood as existing as a binary state in terms of the presence or absence of disease. In many ways, it is useful to explain health at a population or system level as the existence of individuals in 1 of 3 states: those in a healthy condition, those with a prediseased status, and those in a diseased state. At a systems level, it is useful to...
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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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Jeyashree Elango (University of Delaware) Enteroids provide a 3-dimensional microenvironment of the intestine, acting as a miniature model for understanding intestinal functions and immune responses. Hence, this shows a promising application in studying disease models and drug screening, among others. Salmonella enterica serovar Typhimurium is one of the food-borne pathogens affecting human health through production animals due to contaminated meat...
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Christos Gougoulias (Innovad) talks about chronic intestinal inflammation models under real farming conditions, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Ioannis Brouklogiannis (Agricultural University of Athens) presents his research on the benefits of phytogenics to production performance and egg quality in laying hens, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Kostas Mountzouris (Agricultural University of Athens) offers insights on gut homeostasis modulation through metabolizable energy, crude protein and phytogenics, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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APIs and Vitamin MARKET - The weak demand for the APIs
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Annelies Kers (Utrecht University) speaks on the relation between the gut microbiome of chickens and their environment, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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