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Enzymes in poultry nutrition
Enzymes are proteins involved in all anabolic and catabolic pathways of digestion and metabolism. Digestive enzymes are categorised as endogenous or exogenous. Endogenous enzymes are produced by the animal and exogenous enzymes are administered from outside. Enzyme supplementation decreases nutrient loss through excreta, reduces diets nutritional levels, improves nutrient availability; thus, enhances production efficiency and profitability. In addition, exogenous enzymes hydrolyse non-starch polysaccharides, increase the usage of feed energy, reduce negative impacts of non-digestive residues on digesta viscosity, and improve gut microbial ecosystem. Cellulase, glucanase, pectinase, xylanase, galactisidases, phytase, non-starch polysaccharides degrading enzymes, amylase, lipase, cellulase, and protease are the most common enzymes used in poultry feed.
I. INTRODUCTION Soybean meal (SBM) is the primary protein source in broiler diets. Although SBM is highly digestible, it contains glycinin, protease inhibitors, and antigenic proteins that are indigestible and can cause intestinal damage and impair immune functions resulting in suboptimal growth performance (Pan et al., 2016). With the development of commercially available protease, protein and amino digestibility is greatly improved allowing the control of...
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Introduction Since the major part of costs in poultry production is related to feed, minimizing this part of the costs which depends on feed ingredients is very important. On the other hand, phosphorous is usually one of the expensive nutrients in poultry feed. Therefore, the amount of nutrients in feed ingredients, especially available phosphorus, has a very important role in lowering the cost of feed. The main form of storage of phosphorus (P) in plant feedstuffs is phytate...
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Introduction Phytate: The latter part of the past century witnessed drastic increases in the size of poultry facilities for better efficiencies and lower production cost. Concurrently, fast-growing, or high producing breeds of poultry were developed and raised to utilize a plant-based feeds in their ration. But one of the major drawbacks of this ration is that it contains high phytate concentration making phosphorus unavailable to poultry, thus increasing the...
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Dr. Junaid Syed, Assistant General Manager and Head of International Business, Rossari Biotech Limited, talks about the company´s initiatives for 2023 and the importance of Enzymes in Animal Production....
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Bacillus licheniformis-Fermented Products Improve Growth Performance and Intestinal Gut Morphology in Broilers under Clostridium perfringens Challenges (Extract)
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Introduction Feed ingredients and manufacturing are expensive components of integrated poultry production, sometimes reaching 70% of total operational costs. Fortunately, the added costs of manufacturing poultry feed improve feed efficiency and poultry performance. The performance benefits from feeding pelleted diets results in a positive return on investment, making it a common practice in broiler and turkey production. Improving the quality of pellets further enhances poultry...
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Supplemental xylanase may be used in diet formulation to reduce diet cost, mitigate the antinutritive effects of arabinoxylans, increase energy utilization, and improve growth performance of broilers. Xylanase has been shown to partially depolymerize arabinoxylans, which can reduce intestinal viscosity, reduce nutrient encapsulation, and modulate the intestinal microflora of broilers (Choct et al., 1999; Bedford, 1995; Bedford and Cowieson, 2012). In addition, products of xylanase...
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Dr. Junaid Syed, Assistant General Manager and Head of International Business, Rossari Biotech Limited, talks about the challenges in poultry production and the solutions offered by Rossari....
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During these difficult times facing the coronavirus outbreak, the poultry producers are acting toward the abrupt drop of broiler meat prices. Further, the reduction of chicken sales has forced some farms to decrease their poultry production. Under this circumstance, poultry farmers are increasing their biosecurity and becoming more efficient by reducing the feed cost or costs related to poultry production. One of the main questions is, how many do we need to decrease the nutrients using feed...
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Wheat could be a good energy source but it contains the anti-nutritional factor arabinoxylan. High molecular weight encapsulates nutrients and inhibits nutrient absorption and digestion by increasing the viscosity of digesta. The use of the enzyme xylanase could degrade the polysaccharide xylan into xylose. However, there is a physiological limitation in the capacity of monogastric to produce xylanases because they can only be secreted by fungi, bacteria, and yeast. Therefore the current...
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INTRODUCTION Phytase is commonly supplemented in laying hen diets to increase the bioavailability of P and Ca. Dietary phytase supplementation increases Ca and P digestibility (Beutler, 2009), egg production, BW, eggshell quality, and bone quality in egg-laying hens (Hughes et al., 2009; Pelicia et al., 2009) and increases blood myo-inositol concentration in broilers (Sommerfeld et al., 2018). The effects of phytase in diets reduced in available P (avP) and Ca on laying...
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INTRODUCTION Feed cost accounts for approximately 60 to 70% of total production cost in the egg industry (Wilkinson, 2018). Out of this, 85% correlates to the energy and protein content of the laying hen diet (Santana et al., 2018). While reducing crude protein ( CP ) levels in diets may offer some advantages for the environment and reduce the feed cost, maintaining the birds’ digestive health and development performance is difficult. With the addition of synthetic...
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Travis Schaal talks about the importance of biosecurity to prevent avian influenza outbreaks
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In 2022 mycotoxins semiannual survey, Life Rainbow Biotech randomly collected 181 feed samples of raw materials and feed mills in farms and analyzed. The samples were tested for aflatoxins (B1, B2, G1, and G2), zearalenone, fumonisins (B1, B2, and B3) and deoxynivalenol (DON) by the ELISA Mycotoxin analysis kit. Results: 181 feed samples collected, and 92% were contaminated with DON and 80% contaminated with Aflatoxins ( table 1 ). The maximum concentrations of...
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Introduction The poultry industry has experienced unprecedented growth in the past 70 years due to improved genetics, nutrition, housing, water quality and veterinary care driven by post-WWII consumer demands (Havenstein, et al., 2003). Modern-day poultry efficiently convert feed to meat and eggs, but genetic selection for improved performance may have inadvertently selected for a negative correlative response to other traits such as immune function (Cheema et al., 2003). The reader...
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Sudhir Yadav, Ph.D. Poultry Nutrition- Gut Health I MS Animal Science I Veterinarian, Research Scientist at BRI, talks about the study conducted by BRI to position their novel product “EnzaPro” against Bacillus based Probiotics and commonly used AGP like BMD....
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Dr. Piotr Stanislawski shares his experience with Engormix members on supplementation through feed or water, when and why do one or the other....
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A study was conducted to evaluate form and dose effect of a newly developed thermostable xylanase (CIBENZA® XYLAVERSE®, Novus International, Inc.) on growth performance, digesta viscosity, intestinal weight, and digesta xylanase activity of broilers fed wheat based diets. The study consisted of 6 dietary treatments: positive control, negative control with 100 kcal/kg less ME, granulated xylanase 250 and 500 U/kg, and liquid xylanase 250 and 500 U/kg. Each...
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The overuse of antibiotics has led to the development of antibiotic-resistant bacteria in poultry production. However, there are some additives, like probiotics and prebiotics, which can be used as alternatives to reduce the need for antibiotics. In that sense, how can we determine if feed additives are helpful for birds? Simply put, maintaining a healthy gut is crucial for the overall well-being of poultry, since it leads to better growth and immunity. That means that developing models to...
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