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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. Andreas Lemme, Director of Technical Consultancy, explains the challenges in poultry production today with a focus on improving sustainability, particularly finding optimum balance between the socio-ethical, environmental and economic factors. "With regards to environmental aspects, the WWF report from 2016 clearly identified the natural boundaries for coping with nitrogen and phosphorous are heavily exceeded"....
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Background
Antibiotic Growth Promotors (AGPs) are a group of feed additives widely used to improve animal health and performance. Mode of action is actually still an area of debate, but it is clear we have moved away from a simple model of reduction of pathogens / reduction of microbiota competition with the host animal to one where reduction of inflammation and modulation of immune response is a more likely explanation.
AGPs are effective in enhancing...
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The Impact of Feed Pelleting on Enzyme Thermostability In animal feed manufacturing, the process of pelleting is used to convert mash feed into compressed pellets. Pelleting provides several advantages, such as ease of handling, reduction of dust and waste and standard composition. The use of pelleted feed is also known to improve the feed conversion ratio (FCR) due to better digestibility and absorption of nutrients by the animal. During the...
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Given the increasing pressure to limit the use of antibiotic growth promoters in animal production, the availability of alternative approaches to maintaining animal health and productivity becomes imperative for the poultry industry. Essential in evaluating such an alternative is its ability to promote and maintain...
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Up to 15 percent of the nutrients in a poultry diets are trapped in NSPs and therefore are wasted. The largest portion of these NSPs are xylans, which is why xylanases are of crucial importance. Xylanases are classified into glycoside hydrolase (GH) families according to structure and properties. Within the different GH families, GH10 and GH11 are the most efficient xylanases for use in the animal feed. However, xylanase activities highly depend on environmental conditions and most natural...
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Effects of methionine supplement sources and crude protein on Ross 708 male broiler performance
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Background: Poultry producers are experiencing increasing pressure to limit the use of Antibiotic Growth Promoters. NSPase enzymes can be used to promote growth performance, while enhancing nutrient utilization, improving gut health, and reducing production costs,. Xylanase enzymes are an integral part of commercial poultry production for this reason. The primary objective of this study was to evaluate the efficacy of graded doses of Xylamax, a high-performance xylanase,...
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1. Introduction Breeding programmes are designed to produce a broiler with high potential for growth, yield, and feed efficiency. These traits may compromise health status under husbandry designed to maximise this genetic potential, since there is a trade-off between growth- and health-related traits with responses to husbandry programmes, age, sex, and genetic line (Siegel et al., 2001). In this respect, it is well...
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Introduction Precision Animal Nutrition is the effective use of available feed resources in order to maximize the response of animals to nutrients. It is an ideal method to improve the productivity of animals in developing countries in view of inadequate...
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A study published in 2003 comparing the nutrition and genetics of broilers from 1957 to a commercially available broiler strain estimated that within less than 50 years of development, broilers were reared to maturation in a third of the time (Havenstein et al., 2003). This shows clear evidence that improvements in genetics, nutrition and management of rearing meat producing chickens has continually improved the growth rate of birds. However, the effects of rapid growth rate on immune...
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Introduction Protein is a major and expensive component of animal feed, accounting for about 20% of the total dry matter content of swine and poultry diets. Soybean meal is the leading source of feed protein [ 1 ]. In the gut, protein is hydrolyzed by endogenous proteases, principally pepsin (EC 3.4.23.1), trypsin (EC 3.4.21.4) and...
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Antibacterial activity of Bacillus species-derived surfactin on Brachyspira hyodysenteriae and Clostridium perfringens (Extract)
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Annafe Perino, Product Manager, Novus International Southeast Asia & Pacific, explains why protein is good but also problematic, and the benefits of using a protease enzyme (CIBENZA DP100) in young animals to improve gut health...
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ABSTRACT
Improving productivity, reducing feed cost or increasing economic efficiency are main challenges in laying hen farms. Thus, the present experiment was conducted to study the effect of different levels of lysine and Total Sulfur Amino Acids (TSAA) on productive performance, egg quality and economical evaluation of Lohmann Brown laying hens . A total number of 144 hens...
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The 50-year historical review of soybean meal (SBM ) published in Feedstuffs in 1970 by Dr. J.W. Hayward highlighted many of the pertinent advancements concerned with animal nutrition, product development and promotional aspects of U.S. SBM. In fact, 1920 marked not only the beginning of the industrial production of soybean oil and SBM in the U.S., but also the year that the American Soybean Assn. was founded (Hymowitz, 1990). The use of SBM at the time this 50-year review was published was...
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The animal feed enzymes market is expected to garner noteworthy gains on account of surging concerns over disease outbreak among poultry animals. Imposition of strict regulations to encourage livestock safety is supporting animal feed enzyme adoption.
Livestock owners nowadays are willing to buy high-quality feed grades. The product mostly helps provide a nutrition-rich balanced diet to livestock. In addition, these high-quality feeds ensure animal wellbeing and help curb potential...
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