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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.
Kurt Van de Mierop (Nutrex) talks about an advanced enzyme solution that improves feed efficiency, reduces production costs, and optimizes nutrient absorption in monogastric animals.
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Dr. Piotr Stanislawski shares his experience with Engormix members regarding the use of enzymes in poultry diets and gives his advice on how to do it properly....
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May 7, 2025
Canada - Ontario - Niagara Falls
INTRODUCTION Cereal grains and vegetable protein sources contain between 10-75% of non-starch polysaccharides (NSP). NSP in cereals form part of the cell wall structure and in vegetable proteins, such as legumes, may also play a role as an energy storage material. As far as monogastric animal nutrition is concerned, NSP as the major part of fibre (fibre is the sum of NSP and lignin) are regarded as feed components that...
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Dr. Peter Selle
By Prof. Eugeni Roura
President, WPSA Australian Branch
Dr. Peter Selle has been a dedicated and passionate figure in the Australian poultry industry for over...
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Mike Persia (Virginia Tech) discusses direct-fed microbials, their modes of action, and their positive impact on energy and eggshell quality in this Engormix interview during IPPE 2025 in Atlanta, USA....
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In this Engormix interview during IPPE 2025 in Atlanta, USA, Chongxiao (Sean) Chen (University of Georgia) offers information on resources provided by his UGA Poultry Science group: a Poultry Nutrition 101 Course and a newsletter....
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Introduction: Due to the constant genetic evolution in both the production of broilers, nutritionists must constantly adapt their nutritional recommendations and feeding programs to maximize economic results at all times. These management and nutrition decisions must take into account: the animal (potential for growth), environmental conditions and the composition of the feed, which affect feed consumption and, consequently, the performance of birds. And economic...
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Life Rainbow is glad to invite you to attend a lecture titled "Biotechnological Development and Application of Mycotoxin Degrading Enzymes in Livestock", presented by Asst. Prof. Chung-Feng Chiang, Ph.D. from Department of Animal Science, National Pingtung...
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Abiodun Bello (Danisco Animal Nutrition & Health, IFF) explains the results of his research on these enzymes and their impact on amino acid digestibility in this Engormix interview during IPPE 2025 in Atlanta, USA....
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Some producers complain that their meat or egg type chickens suffer from problems in bone or egg shell quality when they include phytase in the diet as a partial substitute for the inorganic phosphorus sources (MCP; DCP; bone meal) according to the matrix value provided by the manufacturing company. Under field conditions, phytase activity is controlled by several parameters. This article will spot the light on utilization of phytase enzyme in poultry nutrition...
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Mycotoxins are toxic compounds produced by certain fungi that contaminate crops and animal feed under specific conditions. These toxins, such as aflatoxins, deoxynivalenol (DON), and ochratoxin A, pose serious health risks to animals and humans. Among their many effects, some mycotoxins directly impair the immune system, causing...
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1. Introduction In poultry nutrition, soybean meal is one of the main protein sources used due to several factors such as the percentage of crude protein (CP), its good amino acid profile, and its bioavailability [1]. However, the existence of antinutritional factors (AF) in soybean meal has been shown to have a considerable effect in reducing the bioavailability of elements in this product, such as phosphorus [2]. There is a variety of AF, including lectin, raffinose, phytate,...
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Rajeev Verma, from ABTL, manages poultry feed operations across Northern India, focusing on high-production. With expertise in enzyme-based feed solutions, Raju addresses regional challenges like viral outbreaks and raw material price fluctuations, driving success and scientific advancements in the industry....
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1. Introduction Coccidiosis is a parasitic disease caused by an apicomplexan parasite of the genus Eimeria, which infects different parts of the intestinal tract depending on the species of Eimeria [1]. Eimeria spp. invade intestinal cells and cause physical damage to the intestinal epithelium, producing hemorrhagic diarrhea and disrupting the normal functioning of the intestinal tract [2]. This leads to impaired nutrient absorption and compromised gut health [3]. On the other hand,...
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Introduction Corn processing plays a pivotal role in the bioethanol industry, utilizing both wet and dry methods to extract valuable components from corn. Understanding the strengths and weaknesses of each approach is essential for producers aiming to optimize efficiency and product quality, particularly in the production of Distillers Dried Grains with Solubles (DDGS). In this article, we explore the two processing methods, their implications for DDGS production, and the...
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1. Introduction Respiratory diseases control is crucial in all types of poultry including laying hens. Respiratory infections in layers can considerably impair bird health and welfare, as well as performance and hence profitability of flocks [1]. Although in broilers respiratory diseases mostly affect the respiratory tract itself, in layers respiratory infections affect both the airways and the oviduct [2]. Therefore, respiratory disease can have a significant economic...
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As global animal production has rapidly shifted towards reduced Antibiotic free, “Gut health” has become a popular expression and all-encompassing concept in the scientific community. The gastro-intestinal tract must provide a barrier function protecting against harmful environmental elements (e.g. toxins and pathogenic microbes), while simultaneously permitting appropriate nutrient absorption. Successful animal performance depends on the interplay between the intestine,...
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Who has any idea about how matrix value of enzymes is calculated? What is this matrix value? How is it important in relation to animal feeds?...
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Good Evening I have a question regarding using the phytase matrix value in the least cost formulation software. Should I enter the Calcium value, or should I leave it Zero? Dealing with the calcium figure is not like the others, because we don't have Total calcium, and available calcium in the formulation, we have only calcium which will assume that it is 100% available. for the energy, we have Total energy and ME, for phosphorus we have the total and the available, Amino acids we have total...
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