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Feed formulation

Welcome to the page about Feed formulation of Engormix; a source of knowledge on Feed formulation.
Aaron Cowieson
Aaron Cowieson and 3 more
An increase in dietary phytate concentration may limit the availability of both phosphorus (P) and calcium (Ca) as a result of the progressive formation of Ca-phytate complexes along the gastrointestinal tract (Selle et al., 2009). However, inconsistent results were reported regarding the impact of phytate on P and Ca release in the presence of phytase with broilers, presumably due to the differences in phytase characteristics, bird age and feeding duration of P-deficient diets (Angel,...
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Mariana Ciacciariello
University of KwaZulu-Natal (Sudafrica)
I. INTRODUCTION Improved production efficacy in laying hens has been achieved by selecting individual birds that lay longer clutches of eggs (Dunn, 2013; Bain et al., 2016; Preisinger, 2018). In addition, the length of the productive life of hens has been extended to one hundred weeks of age or more. These 'long-life' layers were predicted to produce 500 eggs by 100 weeks of age (Bain et al., 2016; Hy-Line, 2020), and this is now being achieved commercially (Gautron et al.,...
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Introduction In developing countries, the poultry industry is experiencing some critical issues with animal feed prices, which are unpredictable in the current scenario, as raw ingredients, primarily corn and soybean, have been increasing in price day by day (Alagawany and Attia 2015). As a result, there is a need to consider some low-cost resources, such as agricultural by-products and other crops, which are significantly less expensive than conventional feed stuff. As a result,...
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Guoyao Wu
Texas A&M University
Introduction Creatine (essential for energy metabolism) and glutathione (GSH; an important non-enzymatic antioxidant) are major metabolites of glycine [the simplest amino acid (AA)] in animals (Fig.  1). Specifically, arginine:glycine amidinotransferase (AGAT) and guanidinoacetate N-methyltransferase (GAMT) convert glycine into creatine in the presence of arginine and methionine, whereas γ-glutamylcysteine synthetase and glutathione synthetase catalyze the formation of GSH...
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Charles Starkey
North American Renderers Association (NARA)
One Health - International Rendering Symposium
Charles Starkey, VP of Scientific and Regulatory Affairs at the North American Renderers Association (NARA), speaks about the relationship between the concept of One Health and Rendering...
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Charles Starkey
North American Renderers Association (NARA)
Lifecycle data on the sustainability of rendered products
Charles Starkey, VP of Scientific and Regulatory Affairs at the North American Renderers Association (NARA), talks about the Lifecycle data on the sustainability of Rendered Products of Pet Food...
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In the past, nutritionists did not pay attention to fibre in poultry feed formulations. Step by step the researcher as well as the industry in this decade has realised the importance of fibre in a poultry feeding strategy. The use of fibre in poultry has been, and still is, a major research topic at universities around the globe. Professor Mateos group from Spain as well as Prof. Svihus from Norway did a lot of research to explore the effect of different fibre sources on poultry health...
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Shrimp are external masticators, meaning that they chew their feed outside their mouth and will not ingest the feed at once. Shrimp prefer soft pellets. Typically,...
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Carl Parsons
Carl Parsons and 3 more
University of Illinois
Nelson Ruiz (Nelson Ruiz Nutrition LLC)     A set of 24 solvent extracted commercial soybean meal (CSBM) samples, which corresponded to the same lots of CSBM used in the field, were evaluated. The CSBM were from different origins (Argentina, Bolivia, Paraguay, Trinidad & Tobago, U.S.). The objective herein was to evaluate the relationship between KOH protein solubility (KOHPS, a measurement of overprocessing) and trypsin inhibitor activity (TIA, a...
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Guoyao Wu
Texas A&M University
4.1 Introduction The metabolism of most nutrients in domestic dogs and cats is similar to that in other mammals (Baker and Czarnecki-Maulden 1991). Thus, the qualitative dietary requirements of dogs and cats for most nutrients [e.g., amino acids (AAs) that are not formed de novo in animal cells] are similar to those for omnivores (e.g., humans and pigs). However, dogs and cats have a relatively short digestive tract (He et al. 2024) and have evolved to have some unique feeding...
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1. Introduction Increased atmospheric emissions of greenhouse gases (GHGs), such as nitrous oxide (N 2 O), carbon dioxide (CO 2 ), and methane (CH 4 ), are the primary cause of climate change. These emissions result in unpredictable and erratic rainfall, floods, and droughts [1]. In 2020, agriculture contributed 5865.47 MtCO 2 e, representing 12.34% of its total emissions (47,513.15 MtCO 2 e), including land-use change and forestry...
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Enzyme matrix values and impact of enzymes on bulk ingredients
Frank Ivey (Feed2Gain) shares his experience and insights on diet changes, cost savings in formulations, as well as how the impact of enzymes is evaluated, in this Engormix interview....
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Common mistakes using enzymes in poultry nutrition
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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Introduction: Tropical native legumes are an alternative to cost-intensive conventional feedstuffs. However, the adverse climate in the tropics induces pest and diseases during storage, affecting the nutritional quality of the feedstuff. Ensiling can face this problem and moreover improve digestibility or reduce the content of anti-nutritional factors (ANF). This study inquired the effects of ensiling a mixture of soaked cowpea (CWP) and sorghum (SOR) grains on fermentation...
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Elijah Kiarie
Poultry Health Research Network
Pressure on feed cost is and will remain a decisive factor for profitability and sustainability in pork and poultry production. In the backdrop of soaring inflation, other production costs have escalated. Corollary minimizing the costs associated with production has never been of greater importance. Arguably, feed formulation is a precise science that seek to compute combination of feedstuffs to meet the requirement of an animal at least/best cost. Traditionally, the two primary factors that...
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ARLINGTON, Va. – The Institute for Feed Education and Research (IFEEDER) is excited to announce the launch of its blog, IFEEDER Fodder . For nearly 15 years, IFEEDER has been at the forefront of advancing understanding and trust in sustainable feed and pet food supply chain through research and education. The IFEEDER Fodder blog will serve as a platform for industry professionals,...
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Patrick Hoffman
University of Wisconsin - USA
Traditionally, milk fever prevention programs have attempted to directly alter Ca status of dairy cows at calving. Common approaches include feeding pre-fresh dairy cows diets containing anionic salts, restricting dietary Ca, feeding hyper-dietary Ca and administering Ca boluses. There is an abundance of research in regard to the mechanisms associated with dietary Ca alteration, dietary cation-anion difference as related to parathyroid hormone and vitamin D and the role they play in the...
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In Spain, the beef fattening system is an intensive system where calves are commonly housed in partially open barns with straw bedding and 40% of the calves, mainly males, are from dairy origin (surplus calves). These calves are transported by road for long hours (up to 3-5 days) from their dairy origin farms to the rearing farm where these calves are fed low amounts of milk replacer for 6-8 weeks and concentrate and straw ad libitum in separate feeders from very young ages with a resulting...
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Dr. Daniel Columbus
University Saskatchewan
Low protein diets have improved nitrogen (N) utilization, but dietary N for the endogenous synthesis of non-essential amino acids (NEAA) may be limiting. Inclusion of a non-protein nitrogen (NPN) may improve utilization of essential amino acids (EAA). A N-balance study was conducted, where 90 growing barrows were assigned to 1 of 10 dietary treatments. Diets contained no ammonium phosphate (NAP; EAA-N:TN of 0.56) or were supplemented with 1.7% ammonium phosphate (AP; EAA-N:TN of 0.50) with...
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