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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.
"Feed passage," or, more accurately, the passage of undigested feed in the feces of broilers, continues to be reported in broiler integrations on a sporadic basis. The incidence and severity are much lower at present than during 1996 when global reports of feed passage occurred following consecutive years of poor grain harvests. At that time, broilers were passing undigested feed in the feces and this was evidenced by the presence of large corn particles, excess...
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Introduction Gastrointestinal diseases pose a serious threat to commercial poultry production. Infections with pathogenic bacteria and their subsequent translocation to other organs and tissues, cause deterioration of feed conversion, increase mortality and reduce productivity. A number of studies have shown enhanced nutritional and growth parameters in poultry, using organic acids. However, most acids are corrosive, with negative impacts on work safety as well...
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Understanding the role of feed formulation to optimize gut development and health is vital for achieving future sustainability and for improving the efficiency and environmental acceptability of poultry production. The objective of this video is to review nutritional strategies to optimize gut development and health and control pathogen colonization with emphasis on potential natural alternatives to antibiotics....
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Digestibility of amino acids in hydrolyzed feather meal, flash dried poultry protein, poultry meal, and meat and bone meal fed to broiler chickens and pigs
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An independent panel of experts has unified to form the Intestinal Health Scientific Interest Group or IHSIG.
This group has already held several meetings on the topic of necrotic enteritis and dysbiosis. Chairmen of the IHSIG meetings are Prof. Dr. H.M. Hafez (Free University Berlin, Germany) and Prof. Dr. Ir. Filip Van Immerseel (Ghent University, Belgium).
These IHSIG meetings serve as a...
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Introduction
Given the restriction in the use of performance-enhancing antibiotics (PEA) in animal nutrition, and the concern of consumers about food quality who demand healthier, drug-free foods, the search has increased for alternative, natural feed additives that, through specific mechanisms, can help to deal with the challenges causing enteric disorders in animals. Research has demonstrated...
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Intestinal health and immunity is the most critical system to manage in order to optimize performance in today´s commercial poultry. The development and maturation of the GI tract can be influenced by any number of factors involving genetics, nutritional, management, and health issues. The maintenance of a normal, functioning intestinal tract during grow-out is also vital to minimize the effects of enteric...
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A well established intestinal microflora is crucial for the health of our animals, especially if we expect high production performance. A healthy normal microflora is the first line of defense to invading pathogens and...
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FUELED BY THE INCREASED FOCUS ON THE PREVENTION OF ANIMAL DISEASES, THE BOOSTING OF THE IMMUNE SYSTEM VIA NUTRITION ALSO GAINS MORE ATTENTION. ANNELIES DIERICX AND JAN VANEYS EXPLAIN HOW A MIX OF COATED BUTYRIC ACID, BETA-GLUCANS, MOS AND A SELECTION OF BOTANICAL EXTRACTS CAN GIVE THE IMMUNE SYSTEM THE BOOST IT NEEDS. ...
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Gut health challenges are a significant and costly issue for turkey live production. Thanks to the power of genetic selection, the commercial turkey has undergone dramatic improvements in growth and feed efficiency. Unfortunately the new and improved turkey remains vulnerable to enteric diseases such as enterovirus, astrovirus, corona virus, reovirus, rotavirus and other unnamed viruses, not to mention the bacterial challenges ( E. coli, Salmonella and Clostridium ) and...
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Effect of <i>Cordyceps militaris </i> Hot Water Extract on Immunomodulation-associated Gene Expression in Broilers, Gallus gallus (Extract)
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I am looking for standard protocol for isolation of clostridium perfringens from necrotic enteritis in chickens. Is the enrichment step necessary for isolation? What is the most efficient enrichment broth that I could use? I had observed in some articles I read that they subject the test sample in anerobic broth to heat shock prior incubation. Why do they do that? ...
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The intestinal welfare is a crucial parameter in animal production, changes in the welfare cause disbiosis (bacterial enteritis, enteritis non-specific, bacterial overgrowth of population, clostridiosis or wet beds problems), necrotic enteritis and coccidiosis. The intestinal welfare is a not good known term that includes different status like absence of clinical...
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An advanced microbiological technique that provides a “snapshot” of the bacterial population in the chicken’s gut is being used to determine the right balance of bacterial species for the bird's gut health. The research behind the development is part of a Poultry CRC strategy to enable the fine tuning of diets through a better understanding of the bacterial population in the chicken's gut. According to the Poultry...
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Nutritionists, feed manufacturers, farmers and industry poultry managers are becoming increasingly aware of the fact that intestinal functions (i.e., digestion and absorption) and the intestinal barrier (as the first line of defense against aggressions arising from the luminal content) have major roles in animal performance and production. The following paper examines some of the processes that occur in the brush border region, among which are digestion and absorption capability, mucin...
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Poult enteritis and mortality syndrome (PEMS) was first observed in 1991 and has developed into one of the worst diseases to have afflicted commercial turkeys. Until 1994 PEMS was contained in North Carolina, South Carolina and Georgia, but in 1995, PEMS was confirmed as a disease in turkeys in several other states. PEMS is still a problem in the Carolinas and Virginia, but in 1997, the incidence decreased significantly with only 15 cases being reported in North Carolina. This disease...
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The ban of antibiotics in Europe has driven worldwide the implementation of alternative strategies in order to prevent proliferation of pathogenic bacteria, thus maintaining health and performance status and optimizing digestion in poultry. Several approaches have been developed to directly...
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