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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.
Dr. Nattakarn Awaiwanont (Chiang Mai University) speaks on the need of control strategies for antimicrobial use and antibiotic resistance in broiler production chains, during the 5th IHSIG Symposium on Poultry Intestinal Health in Bangkok, Thailand....
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Introduction Distillers Dried Grains With Solubles Byproducts of the distilling industry such as distillers dried grains and distillers dried grains with solubles (DDGS) have long been commonly accepted feed ingredients in broiler diets. Early studies have been extensively reviewed by Scott (1965, 1970). Due to their supply and price, these products were typically fed at levels not exceeding 5% of the...
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Introduction From the beginning of commercial poultry production, maximizing profit has been the main goal. Profit equals the best feed conversion, days to slaughterer, slaughter weights, livability, and uniformity for the least amount of money. The poultry industry is willing to take less in performance if it maximizes profits. An example of this is with coccidiosis control. Producers will pick the least expensive...
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Introduction L-carnitine (LC) is a naturally occurring and widely distributed in nature compound. It was discovered in 1905 in Liebig’s meat extracts, a popular ‘dietary supplement’ at that time, by Gulewitsch and Krimberg [1] who named the substance from the Latin word for flesh (“carnus”). Carnitine chemical structure was established in 1927 and its function was related to long-chain fatty...
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The growth graph of Animal Feed Enzymes Market is forecast to display an upward trend over the coming years, owing to the growing consumer preference for nutritious diet along with a substantial rise in the disposable incomes across emerging economies. According to the OECD (Organization for Economic Co-operation and Development), the average meat intake per individual across the globe is nearly 75 pounds in a year. This figure is an indication of the growing product popularity across the...
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Rob Patterson, Technical Director of Canadian Bio-Systems, went over his recent researches on enzymes and the impact in digestibility, growth performance and bone mineralization, during IPPE 2017 in Atlanta, USA....
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There are many factors that impact enzyme feed additive effectiveness and results, one of the most important of which is enzyme stability, meaning the ability of the enzyme to maintain its activity level during both feed processing and animal digestion. Intrinsic stability characteristics are encoded in the molecular structure of an enzyme by its amino acid sequence which...
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1. Introduction Meat-and-bone meal (MBM) is a potential source of protein, calcium and phosphorus in poultry diets for some parts of the world, including Australia, China and Southeast Asia. However, there are considerable variations in its protein quality and Ca and P concentrations. Ravindran et al. (2002) reported substantial variations in ash (13.0e56.5 g/100 g), crude protein (38.5e67.2 g/100 g), crude fat (4.3e15.3...
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Dr. Kirk Klasing talked about the nutrients that are needed, pathogens and balance, as well as impact on growth and reproduction, during CLANA 2016 in Cancun, Mexico. ...
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ReportsWeb.com added “Global Methionine Market Research Report 2017” to its vast collection of research Database. The report is spread across 107 pages and supported by 8 company leaders.
The Global Methionine Market Research Report 2017 is a professional and in-depth study on the current state of the Methionine Market. This report studies Methionine in Global market, especially in North America, Europe, China, Japan, Korea and Taiwan, focuses on top manufacturers in...
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Introducing Afla-V ONE: Safe, Sustainable Aflatoxin Detection for Complete Feeds and Pet Foods
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LIPTOSA will be present at VIV ASIA 2017 International trade show from feed to food for Asia from March 15 – 17 at BITEC, Bangkok, Thailand.
With over 900 international exhibitors, VIV Asia offers a unique selection, compromising global market leaders and regional as well as national Asian players of growing importance. Professionals active in the production of pig meat, poultry meat, eggs,...
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Introduction Commercial poultry production is associated with various stresses responsible for decreasing productive and reproductive performance of growing chicks, breeders and commercial layers. A growing body of evidence shows that most of stresses in poultry production at the cellular level are associated with oxidative stress. Recently, a concept of the cellular antioxidant defense has been revised with special...
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Introduction The use of exogenous proteases in poultry diets has gained momentum during the last decade. The first commercial protease was introduced into the poultry feed market in the 1990s in combination with other enzymes, with the aim to increase the energy and protein digestibility of grain and oilseed meal based diets (Simbaya et al., 1996). A number of proteases are now...
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1. Introduction Primarily for the provision of energy density, grain sorghum is quite frequently included in rations for pigs, poultry and feed-lot cattle. However, in a recent meeting held by the Australian Feed Grain Partnership in December 2012, nutritionists from the three industries expressed concern about the efficiency of energy utilisation in animals offered sorghum-based diets. Essentially, the energy provided...
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INTRODUCTION The biogenic amines are biologically active compounds synthesized from amino acids. Feed-borne biogenic amines are most commonly synthesized by spoilage microorganisms and are usually considered to be potential toxins (Eggum et al. 1989). By-products that have undergone some degree of spoilage are generally considered to be the richest sources of biogenic amines. These would include meat and bone meal, blood...
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Soybean products are the most important source of dietary protein for poultry in the US and much of the world. Variation in protein quality among soy ingredients can occur due to processing. Full fat extruded soybeans (FFES) are an alternative to conventional solvent-extracted soybean meal (SBM), but may have higher levels of trypsin inhibitors (TI). The use of exogenous protease in poultry diets may improve amino acid digestibility and was evaluated in diets...
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Behnam Saremi and Oluyinka Olukosi will be two of the distinguished speakers at the XXV World’s Poultry Congress (WPC 2016),...
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Originally published in the Asian Journal of Animal and Veterinary Advances INTRODUCTION In modern poultry production, feed has prime importance for nutritionists as it has 70% share of total production cost 1 . More than 80% of the feed is blend of ingredients from the plant source 2 . These cereals contain non starch polysaccharides...
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An 8wk (67 to 75wk of age) trial was conducted to evaluate the efficacy of supplementation of a next generation microbial phytase (CIBENZA PHYTAVERSE , Novus International, Inc., St. Charles, MO) in laying hens fed corn-SBM-based mash diets low in non-phytate phosphorus (npp). A total of 120 Hy-Line W-36 laying hens were assigned to 5 treatments with 24 cages/treatment and 1 hen/cage using a randomized complete block design. Treatments consisted of 0.15% npp, T1...
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Introduction The poultry industry is facing growing concerns about the possible contribution of land application of poultry litter to eutrophication of surface waters (Edwards and Daniel, 1992; Sharpley, 1999). Attention has focused on means of reducing phosphorus excretion while maintaining productivity. Because of the demands for adequate skeletal development of rapidly...
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