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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.
Sofia Zenagui, Global Feed Digestibility Marketing Manager at Adisseo, points out the key features of Rovabio®, a range of enzyme solutions that improves the digestibility of feedstuffs from vegetal origin for animals, poultry and swine, during ESPN 2019
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Introduction Broiler diets consist basically of plant-derived ingredients. These feeds are characterized by having a large part of phosphorus in the form of phytate (Rostagno et al., 2011), which is poorly hydrolyzed by monogastric animals (Ravindran et al., 1995), which do not have a significant activity of enzymes such as phytase throughout the gastrointestinal tract. However, in addition to complexing with phosphorus, the phytate molecule is also able to bind to other...
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Kristjan Bregendahl (Devenish Nutrition) discussed amino acid profile studies and ratio estimations, during the Multi-State Poultry Feeding and Nutrition Conference in Indianapolis, USA....
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Mike Persia (Virginia Tech) explained his research on amino acid requirements -particularly tryptophan and valine- and egg quality, during the Multi-State Poultry Feeding and Nutrition Conference in Indianapolis, USA. ...
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INTRODUCTION Aflatoxin is the common name for a group of chemically related compounds (Moss, 1996) produced by certain strains of Aspergillus flavus and A. parasiticus in the feedstuffs as poisonous secondary metabolites. Aflatoxins are stable once formed in grain and are not degraded during normal milling and storage process (Brown, 1996) and have been demonstrated to be carcinogenic, mutagenic and teratogenic (Cole and Cox, 1981). It impairs humoral and cellular immune...
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Do you need more amino acids value from your ingredients?” CIBENZA® EP150 is the first feed additive of protease with spores of its production organism, Bacillus licheniformis, authorized in the European Union (4d12)....
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Introduction Chronic heat stress (HS) is a great concern in all types of poultry production. Feed consumption, growth rate, mortality, and other important traits are adversely affected by severe HS. Reduction of feed intake in order to reduce metabolic heat production (Teeter ., 1985) and lower growth rate as well as a reduction in feed efficiency (Geraert ., 1996). Have been reported in poultry under heat stress condition. Heat stress stimulates the release...
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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...
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On June 18, 2019, and following the scheduled two-year construction period, Evonik officially commissioned its second complex for the production of MetAMINO® (DL-methionine) and strategically important precursors in...
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Dr. Vivek Kuttappan, research scientist at Novus International, explains how intestinal lesions and mortality in broiler birds under necrotic enteritis challenge can be reduced using an essential oil based eubiotic product, during the annual International Poultry Scientific Forum (IPSF) at IPPE 2019.
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This study was conducted to determine the standardized ileal digestibility (SID) of amino acids (AA) in hydrolyzed feather meal (HFM), flash dried poultry protein (FDPP), poultry meal (PM), and meat and bone meal (MBM) fed to broiler chickens and pigs. Four semi-purified diets and a nitrogen-free diet were prepared. Experiment 1 was conducted with 416 male broiler chickens [initial body weight (BW) = 705 ± 100.0 g] at d 18 post-hatching in a randomized complete block design. Birds...
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INTRODUCTION Sub-therapeutic levels of antibiotics have been used in feed as growth promoters (AGP) in poultry and other species in an attempt to control enteric diseases and improve feed conversion since the 1940s. However, the indiscriminate use of AGPs in production animals has resulted in the emergence of antibiotic-resistant pathogens, which has serious human health implications. With the recent FDA guidance to voluntarily reduce antibiotics for the use of growth promotion,...
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Effects of Muco-defen® on Clostridium perfringens-induced necrotic enteritis in broilers
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Selsaf®3000 is a natural source of organic selenium for all species of animals (pigs, poultry, dairy, aquaculture…) The main compounds of Selsaf®3000 are L-selenomethionine and L-selenocysteine. L-selenomethionine is incorporated into body proteins as the main selenium storage, and used as a precursor to L-selenocysteine. L-selenocysteine plays an essential role against oxidative stress as a key element ensuring the activity of the antioxidant enzyme glutathione peroxidase....
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Introduction The efficient use of feed is extremely important in broiler production. Investigations have to be continued to decrease cost of broiler production and improve broiler performance. Pellet feed has been shown to have the greatest potential to improve feed conversion ratio (FCR) and reduce cost compared to mash feed (Maiorka et al. 2005, Salari et al. 2006, Amerah et al. 2008). These improvements have been associated with changes in nutrients, digestibility and less...
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INTRODUCTION Aflatoxins belong to a group of mycotoxins produced as secondary metabolites by fungi of the Aspergillus genus, especially A. flavus, A. parasiticus and A. nomius (Kurtzman et al., 1987). No region of world escapes the problem of mycotoxins and according to Lawler and Lynch (2005) mycotoxin are estimated to affect as much as 20% of world’s crop each year. Crops grown under warm and moist weather in tropical or subtropical countries are especially more...
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Poultry industry suffers greatly from the economic losses due to the adverse effects of mycotoxicosis attributed to reduced feed intake, poor feed conversion and nutrient utilization, growth and production performance, immunosuppression and subsequently increased susceptibility to various infections (Xue et al. 2010). Aflatoxin is the most commonly occurring mycotoxin in India. Major forms of AF include B 1 , B 2 , G 1 , and G 2 , while AFB 1 is...
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Introduction Rearing poultry under antibiotics-free system is coming with challenges from nutrition and health management though biosecurity and vaccination program of poultry can be applied to reduce risk of exposure to pathogens, threat of disease is exist. Supplementation in nutrients to enhance immunity system and lower the risk of pathogen can help to promote health condition and raising productivity. Gano-met® (Life Rainbow Biotech Co.,...
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Over the past several years, organic poultry production has been rapidly expanding (Rogenburg et al., 2008). This alternative to conventionally produced poultry meets consumers’ expectations for healthier animal protein sources (ATTRA, 2010). According to standards set by the U.S. Department of Agriculture (USDA) National Organic Program, to be certified “organic poultry,” birds must be raised with outdoor access, fed certified organic feed, and should not be fed with feed...
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Introduction The rapidly increasing human population particularly in the developing world has increased the demand for animal protein, especially for pork and poultry products, for human nutrition (World Bank Group 2015). This is an opportunity for smallholder farmers in Africa to increase household income and improve their livelihoods by connecting with the livestock and poultry value chain. Poultry production, in particular, has a potentially great role to play in terms of...
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INTRODUCTION Globally, different energy and amino acid levels are used in different regions, although it is unknown the magnitude by which these dietary nutrients are influenced by feed cost or biological nutrient requirements. Furthermore, a study that explains nutrient trends, body composition and nutrient efficiency in one systemized approach over time as a way to gain insight into the future should shed light on biological mechanisms in modern broiler chickens. As...
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