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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.
A probiotic strain ( bacillus subtilis DSM 29784, BS29784) is capable of inducing beneficial effects on growth performance and could be therefore a reliable alternative to antibiotic growth promoters. The underlying mechanisms of probiotics, however, are often not fully understood. An in vivo investigation of microbiota profile aimed to observe a positive effect of BS29784 on butyrate producer bacterium such as Ruminococcus or Lachnoclostridium . An in vitro ...
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Poultry production programmes require elimination or reduction of the use of in-feed antibiotics growth promoters (AGP). This has led to an increase in the occurrence of necrotic enteritis, making it an economically significant poultry disease requiring an alternative nutritional interventions. Probiotics offer one alternative to AGP because they can elicit specific actions that promotes the development and maintenance of a stable gut microbiome, leading to a reduction in enteric disease and...
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Ochratoxin A (OTA) is a mycotoxin that is receiving increasing attention worldwide because of the hazard it poses to animal and human health. This mycotoxin was isolated as metabolite of the fungus Aspergillus ochraceus from which the toxin acquired its name. However, ochratoxin production is not unique to Aspergillus ochraceus as additional several Aspergillus species and several Penicillium species produce ochratoxins. Ochratoxicosis causes a reduction in production performance, viz....
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An impact of Deoxynivalenol produced by Fusarium graminearum on broiler chickens
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1. Introduction Antibiotics has many possible benefits such as; improvement of feed utilization, reduction of mortality, improvement of weight gain, body weight evenness and feed conversion rate (Bolu et al., 2011). Currently, the use of antibiotics has come under critical reviews since antibiotic resistant bacteria strains can be transferred from the animals to humans consuming the products (Bent & Jesen, 2001). Development of alternatives to Antibiotic Growth Promoters...
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Gut health across multiple species has become a key area of focus in product development. On the human side, formulators are looking to take live probiotics into areas that were once unreachable; and on the animal side, they seek to improve digestive processes in monogastric animals...
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Denise Russi Rodrigues (Ohio State University) talked about manipulation of microbiota, use of lactic acid bacteria and mucosal immune response, among other topics, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Abstract To study the ameliorative impact of mannan oligosaccharide (MOS) and sodium butyrate (NaB) during simultaneous aflatoxicosis and ochratoxicosis on carcass traits and organ weights, day-old broiler chicks (n=320) were divided into 10 treatment groups (T0: control; T1: T0+300 ppb aflatoxin B1 (AFB1)+250 ppb ochratoxin A (OTA); T2: T1+0.15% MOS; T3: T1+0.3% MOS; T4: T1+500 mg/kg NaB; T5: T1+1000 mg/kg NaB; T6: T1+0.15% MOS+500 mg/kg NaB; T7: T1+0.15% MOS+1000 mg/kg NaB;...
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All-in-one mycotoxin extraction method for faster time-to-results - Myco 5-in-1 PLUS
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Kostas Mountzouris (Agricultural University of Athens) talked about the benefits of probiotics in gut health and shared research that reflects how they can help to reduce inflammation, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Denise Russi Rodrigues (USDA, Ohio State University) talked about probiotics and early colonization as means of improving gut health and poultry performance, during IPPE 2020 in Atlanta, USA....
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Introduction The use of antibiotic based growth promoters is presently facing serious problem and has raised global concern as some reports revealed their ill effects among which are development of microbial resistance to the products and their potential harmful effects on human health (Rahmatnejad et al., 2009). Moreover, antibiotics lead to drug resistance in bacteria and drug residues in meat (Issa and Omer, 2012). These shortcomings lead to the search for alternative...
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1. Introduction Xylans, also known as arabinoxylans (AX) and pentosans, are the most abundant hemicelluloses in the cell walls of monocotyledonous plants, such as cereals. The presence of these polysaccharides has a direct negative impact on energy availability of monogastric diets (Choct and Annison, 1990), largely due to the direct effect of soluble AX on increasing digesta viscosity. These negative effects can be combatted by supplementing the diet with endo-b1,...
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ABSTRACT The associated efficacy of Saccharomyces cerevisiae and vitamin E, in ameliorating ochratoxicosis was investigated in broiler chickens. Day-old broiler chicks (320) were divided into 8 treatment groups, viz. T1 (control; basal diet); T2 (T1 + 150 ppb OTA); T3 (T2 + 0.05% SC + 100 mg vitamin E-VE); T4 (T2 + 0.075% SC + 100 mg VE); T5 (T2 + 0.1% SC + 100 mg VE); T6 (T2 + 0.05% SC + 200 mg VE); T7 (T2 + 0.075% SC + 200 mg VE) and T8 (T2 + 0.1% SC + 200 mg VE/kg diet). Each...
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Adisseo and Novozymes have developed an innovative fluorescent system, based on well-established Bacillus knowledge and extensive biological tools, that tracks the germination process within a bird’s gut. Karoline SIDELMANN BRINCH, DVM, PhD, Science Manager at Novozymes Applied Research, Animal Health and Nutrition, tells us more about this exciting new Alterion® data package....
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Germination is the process by which dormant spores from bacteria become active and develop. Once germinated, the Bacillus organism can grow, produce metabolites and be of benefit to the gut health and performance of poultry. Germination is essential for the full expression a probiotic’s potential. Are you sure that your probiotic germinates inside your bird? With Alterion®, you can be...
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Lately we’ve been fielding lots of questions from manufacturers surrounding the use of probiotics in consumer food, companion animal and feed products, and it’s no wonder. The global demand for these “good bacteria” is growing...
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"A probiotic strain is capable of inducing beneficial effects on growth performance and could be a reliable alternative to AGP", said Damien Prévéraud, Global Scientific Support at Adisseo, during his presentation in the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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