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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.
Introduction The use of enzymes in modern non-ruminant production has become universal. This is due to the extensive benefits observed on the productivity of both poultry and swine with its use. Although most feed ingredients used in monogastric nutrition contain adequate nutrients, monogastric animals are not able to efficiently utilize all the nutrients present in these ingredients. This has been attributed to several factors including the presence of antinutritional factors...
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1. Introduction The conversion of dietary protein and amino acids into the protein of chicken-meat is indeed a dynamic process. Quite typically, broiler chickens attain a live weight of 2.918 kg at 42 days post-hatch and a carcass weight of 2.151 kg following processing. This translates to 376 g of carcass protein as a Ross 308 broiler carcass contains 175 g/kg protein [1]. Broiler chickens consume 4.702 kg of feed over 42 days with dietary protein contents declining from 230 to...
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INTRODUCTION Aiming at reducing production costs and the impacts of animal production waste on the environment, research has focused on improving the efficiency of feed utilization.One strategy to reduce the excretion of pollutant compounds is to increase the nutritional availability of feeds by the dietary supplementation of exogenous enzymes (Nahm, 2002). Phytase, for instance, allows reducing inorganic phosphorus supplementation and increasing phytic acid utilization by the...
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Introductions: Non-starch polysaccharides (NSPs) encapsulated in feed grains' cell walls contain valuable nutrients that may be wasted since some animals' endogenous enzymes cannot digest them. Xylanase feed additives degrade grain cell walls, releasing entrapped nutrients to the animal. The soluble portion of NSPs increase digesta viscosity, slowing the passage of feed through the digestive system and preventing an animal's natural enzymes from acting upon...
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40 Years of Success in China with Hy-Line (Mandarin-language video)
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In 2021 mycotoxins semiannual survey, Life Rainbow Biotech randomly collected 230 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: 230 feed samples collected, and 78% were contaminated with deoxynivalenol and 86% contaminated with Aflatoxins (table 1). The maximum concentrations of...
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Dr. Piotr Stanislawski shares his experience with Engormix members on usual mistakes that he has encountered throughout his career....
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Sandro Cerrate (Credinser, LLC) shares advice and tools to improve formulation and find a viable least-cost option in troubling times like these, as he explains in this Engormix video presentation....
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Digestive capability of young animals is different when compared to adult growing pigs and chickens. In this TechTalk, Ermin Magtagnob, Novus Technical Services Manager from Southeast Asia and Pacific, discusses how protease enzymes can assist in managing gut health problems associated with undigested proteins....
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A study was conducted to investigate the hypothesis that over-processing (OP) of meat and bone meal (MBM) exacerbates infection with necrotic enteritis in normal and high phytase diets. A total of 768 Ross 308 male chicks were randomly assigned to 8 treatments with 6 replicate floor pens each housing 16 chicks using a 2 × 2 × 2 factorial arrangement of treatments for 42 d. Factors were: NE challenge, no or yes; phytase* level, 500 or 5000 FTU/kg (both using 500 matrix values for...
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INTRODUCTION Soybean meal´s good amino acids (AA) balance makes it an excellent protein source in poultry diets, although it does have the disadvantage of containing antinutritional factors such as trypsin inhibitors and lectins. These can negatively affect animal growth if the SBM is not adequately processed(1) using a proper cooking time and temperature to deactivate these factors(2). Excessive heat, however, can cause Maillard reactions, destroying thermolabile AA such...
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"In the market we stand for quality, superior supply reliability, and a high level of safety and technology standards in our assets. The backward integration in Mobile eliminates transportation of hazardous chemicals and shows our continued commitment to responsible care and business sustainability. This ultimately positions us even better as a reliable partner for our customers in the Americas," says Dr. Emmanuel Auer, head of the Animal Nutrition business line at Evonik....
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Phytate is a polyanionic molecule with the capacity to chelate Ca, forming mineral-phytate complexes. The presence of these complexes decreases the efficacy of phytase. Ca-phytate formation is dictated by molar ratios of the constituents, gastrointestinal pH and the concentration of dietary Ca relative to P (Sommerfeld et al., 2018). The hypothesis of this study was that a high dietary Ca to P ratio will reduce the ability of phytase to hydrolyze phytate, which will exacerbate necrotic...
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Introducing Afla-V ONE: Fast, precise aflatoxin detection for complete feeds and pet foods
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Dietary fat and oil are potential alternative energy sources for fast growing broiler chickens (Meng et al., 2004). Nevertheless, hampered fat digestion and absorption were reported in young broiler chickens with incompletely developed digestive tract (Al-Marzooqi and Leeson, 2000). Addition of emulsifier and lipases to a diet is one strategy to improve energy utilization and subsequent growth performance in broiler chickens when fed a high fat diet (Siyal et al., 2017). Studies...
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Optimized production setup through construction of a methyl mercaptan plant in Mobile, Alabama
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Investment as continued commitment to responsible care and sustainability
23 February, 2022. Germany, Essen. Evonik will build a methyl mercaptan plant at its site in Mobile, Alabama in the U.S. Methyl mercaptan is an intermediate in the production of MetAMINO®...
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A healthy chicken gut is essential for optimum digestibility, maximum nutrient absorption, immunity development and disease resistance. Disruption of gut integrity and imbalance of gut microbiota may have negative effects on feed conversion, productivity, and health of chicken. For the last few decades in poultry production, antibiotic growth promoters (AGPs) have been widely used in poultry diets to promote growth, improve feed efficiency and control dysbacteriosis and enteric...
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Dr. John Thomson, U.S. Sales Manager for Feed Additives at AlzChem, highlights the different parts of the next evolution of Animal Nutrition. Creamino® increases the creatine supply to the cells and thus enables additional improvements in growth and health....
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INTRODUCTION Poultry production is one of the largest sources of animal protein supply for human consumption in the world. For many countries, like Australia, chicken-meat is the dominant animal protein, therefore production must continue to expand to supply increasing demand. In Australia, for instance, per capita consumption of chicken-meat is predicted to increase by 7.9% over the next 5 years [1]. Furthermore, feed represents 65% of total chicken-meat production cost [2],...
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INTRODUCTION The rapid growth of modern broilers in a relatively short period of time requires a parallel increase in the size or capacity of supply organs, such as those of the cardiovascular and respiratory systems. However, due to the slower development of these organs relative to body growth rate, the capacity to balance body energy is compromised, particularly under extreme environment conditions, such as cold stress (Shahir et al., 2012; Shinder, 2002). Cold...
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Introduction Barley ranks fourth in global cereal production after corn, wheat and rice. About 65% of the world’s barley produced is fed to animals, including poultry. Australia is a significant global producer of barley, ranking in the top five countries with about 5% of global production and is among the top three barley exporters accounting for about 30% of malt and 20% of feed barley trade. Australia is a reliable supplier of two row...
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I. INTRODUCTION Globally, maize and wheat are the major cereal grains used in broiler feed. Maize is predominant in Asia and the Americas, whereas wheat is in Australia, New Zealand and Europe. Extensive research has been undertaken in refining dietary strategies to optimise broiler performance when offered reduced crude protein (CP) diets. In feed, these grains have been optimized by the inclusion of feed enzymes and unbound (crystalline or synthetic) amino acids. Reduced CP...
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