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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.
Introduction Poor gut health in broiler chickens is a generalized term that means different things to different people. Problems associated with shifts of intestinal bacterial populations (i.e. dysbacteriosis) gained notoriety as a key production issue with the removal of antibiotic growth promoters in the European Union (Wilson et al, 2005). However, it remains a common challenge in any production environment where chickens are produced on...
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I. INTRODUCTION Sorghum has a relatively high starch gelatinisation temperature and for this reason sorghum- based broiler diets are often steam-pelleted at high conditioning temperatures to achieve acceptable pellet integrity. While compacted, pelleted diets offer a physical feed form advantage over mash diets as they facilitate prehension and increase feed intakes (Jensen et al., 1962), high conditioning temperatures may have adverse effects on...
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Introduction
Poor gut health in broiler chickens is a generalized term that means different things to different people (Truscott & Al-Sheikhly, 1977; Tierlynck et al ., 2009). Problems associated with shifts of intestinal bacterial populations (i.e. dysbacteriosis) gained notoriety as a key production issue with the removal of antibiotic growth promoters in the European Union (Hoerr, 1998; Lee, 2002). However, it...
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Introduction Antibiotics have been used for decades in broiler chicken production for their gut microflora regulation effect, resulting in growth promotion. Governments and consumers are more and more aware of damageable consequences of in routine use of antibiotics and as a consequence, there is a growing need for farmers to find alternatives without loosing profitability. In this context, a patented activated clay, commercially named B-Safe, was...
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Effective Solutions for Preventing and Treating CRD in Poultry with Natural and Conventional Approaches
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Traditionally, our interaction with bacteria has been viewed in terms of disease, although most bacteria are however either benign or beneficial. Evidence has been gathering about the fundamental role bacteria play in the development of the immune system, and the general health of animals. Indeed, humans are estimated to carry 10 times as many bacterial cells as human cells; so we are really a super-organism, more bacterial than human.
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The human population is projected to grow to 9-10 billion by the year 2050. As a consequence of the population explosion, food animal production must confront a new array of challenges. Among these are global food security, climate change, emerging infectious diseases, regulatory ban of antimicrobials, high-density production conditions, and waste management. In order to assure continuity in the supply of poultry food products, effective control measures against...
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The impact of extruded soybean processing temperatures conditions on broiler’s ileal and cecal microbiota composition and function
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The gut microflora is part of the digestive system and influences FCR and the economic performance of broilers. It is, therefore, very important to investigate its composition to better understand if and how we may positively influence it. According to different authors, we only know 10-25% of total poultry gut microflora. Indeed all micro-organisms have not yet been identified by conventional methods. Thus, not neglecting traditional...
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Lost in the Market Uncertainty Caused by the Outbreak
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INTRODUCTION
The biggest challenge of commercial poultry production is the availability of good quality feed on sustainable basis at stable prices. In spite of this challenge, commercial poultry production ranks among the highest source of animal protein (Iyayi, 2008). The increase in the size of the poultry industry has been faster than other food-producing animal industries. The trade volume of poultry products has also increased...
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"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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How Does Coccidiosis Affect Poultry Farming, and What Strategies Can Mitigate Its Impact?
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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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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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