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Amino acids in poultry nutrition
Adequate provision of dietary amino acids is required to maintain normal immunocompetence and protection of the host from some diseases in all species (Beski et al. 2015). Therefore, the development of immune function in poultry will be promoted if they receive sufficient amino acids in their diets. The essential amino acids for poultry are arginine, glycine, histidine, leucine, isoleucine, lysine, methionine, cystine, phenylalanine, threonine, tryptophan, and valine. Out of these, the ones critical in practical diets are arginine, lysine, methionine, cystine and tryptophan.
Henrique Brand, Strategic Marketing Manager for Specialty Nutrition at Evonik, introduces guanidinoacetic acid (GAA) as an efficient precursor to creatine in animal diets. He highlights how GAA optimizes energy and arginine metabolism in broilers and swine, leading to improved feed conversion ratios (FCR), increased weight gain, and opportunities to lower overall feed costs. ...
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Introduction Poultry scientists have long discussed and debated how the energy values of feed ingredients should be expressed (Zuidhof 2019). Pesti (2024) suggested that it is time for a paradigm shift in the way feed ingredient nutrient contents are described, and labeled the new categories collectively the Armidale method (see Fig. 1 for examples). He also proposed expanding the net energy (NE) to NEATP, based on the production of adenosine triphosphate (ATP) system of...
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January 25, 2027
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BETAINE CAN NOT REPLACE METHIONINE Nutritionists constantly seek opportunities to reduce diet costs while maintaining optimal animal performance. When ingredient prices rise, nutritionists search for ways to reduce their use or replace them with alternative ingredients. With respect to methionine...
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Nutritional factors of gut inflammation (D. Korver) The intestinal tract is one of the largest, if not the largest, surface areas exposed to the environment of humans and poultry (Ferrer et al., 2003; Helander and Fandriks, 2014). Although the digestive tract is contained within the body, the lumen is actually outside of the bird. Therefore, although the function of the intestinal tract is usually thought of as being the uptake of nutrients, it has another important function:...
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I. INTRODUCTION Exogenous phytases increased apparent ileal digestibility coefficients of 17 amino acids by an average of 4.13% (0.833 versus 0.800) in one meta-analysis (Cowieson et al., 2017); however, the scale of responses varies. Phytases increased apparent ileal digestibility coefficients of 16 amino acids by averages of 12.7%, 7.24% and 9.15%, respectively, across three selected assays (Amerah et al., 2014; Truong et al., 2015; Martínez-Vallespín et al., 2022)...
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I. INTRODUCTION It is widely known that Met is not only an essential amino acid but also the first limiting amino acid for broilers fed corn-soy diets and plays an important regulatory role in many physiological processes (Estevez et al., 2020). To meet the nutritional needs of Met, synthetic sources such as DL-Met and OH-Met are routinely added in broiler diets. LPS is a cell wall component of Gramnegative bacteria and is released in increased amounts when the bacteria die, or its...
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I. INTRODUCTION Wheat and sorghum are the most common feed grains for chicken-meat production in Australia. In two direct comparisons birds offered maize-based diets were better able to accommodate dietary crude protein (CP) reductions than wheat-based diets (Chrystal et al., 2021; Greenhalgh et al., 2022). One underlying reason for this difference appears to be the higher protein contents of wheat than maize and, similarly, wheat (n = 27) contained higher protein levels (115.5...
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1. Introduction Soybeans originated in East Asia and were domesticated from wild soybeans (Glycine soja) between 1700 and 1100 B.C. and are now grown worldwide [1]. However, soybean production and utilization were limited within or near its center of Origin (the Orient) for centuries. The first recorded use of soybeans in the U.S. was in 1765 in Savannah, GA. It is thought that Samuel Bowen, a former seaman of the East India Company, brought soybeans to the U.S. from China via...
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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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I. INTRODUCTION Sustainability comprises three principal components: the environment (demand for resources and potential for environmental pollution), ethical issues (welfare of man and his animals), and economic robustness (FAO, 2012). At first glance, insect protein is a sustainable alternative to traditional protein sources such as soybean meal. Insect production requires less land, water and other resources than traditional protein sources, and they can be raised on...
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Fully integrated production in Mobile, Alabama (USA) strengthens MetAMINO® supply reliability in the Americas
Completion of backward integration across hubs in Mobile, Antwerp, and Singapore enhances global competitiveness
On-site intermediate production reduces CO2 emissions and logistical risks
Essen, Germany. Evonik has completed the backward integration of its world-scale MetAMINO® (DL-methionine) production hub in Mobile, Alabama. With...
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1. Introduction Poultry is the most consumed animal protein source in the world, and the trend is expected to continue increasing [1]. The world population reached 8 billion in 2022, and is likely to reach 9 billion in 2037 [2], which will continue to increase pressure on the global chicken-meat industry. One way to meet this increasing demand is to improve the efficiency of chicken-meat production. Precision nutrition is a strategy to improve growth efficiency, reducing the...
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Nelson Ruiz (Nelson Ruiz Nutrition, LLC) discusses the correlation between poultry amino acid digestibility, KOH protein solubility, and trypsin inhibitor activity in this Engormix interview at IPPE 2026 in Atlanta. ...
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Veterinary APIs Price Index (VPi): Jun 3rd 66.71 Jun 10th 66.51 Jun 17th 66.39 Jun 24th 66.21 In June, the veterinary APIs market exhibited a distinct divergence across various product categories, with the majority of prices trending downward. Notably, colistin sulfate and sulfonamides showed relatively strong performance; doxycycline ceased its decline in mid-June and subsequently recorded two consecutive weekly gains...
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Evonik and regional partners now share infrastructure
New methanol pipeline from Lülsdorf to Wesseling
Synergies and improved carbon footprint of methanol
As part of strengthening its long-term raw material strategy, Evonik has developed a new solution to secure the methanol supply needed for producing a methionine precursor at its Wesseling site. The concept was implemented together with Lülsdorf Functional Solutions GmbH, Röhm GmbH,...
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Veterinary APIs Price Index (VPi): May 7th 67.27 May 13th 67.03 May 20th 66.95 May 27th 66.79 The veterinary APIs market is currently exhibiting a generally weak and stable trend, characterized by a persistent divergence in patterns—showing more declines than increases, alongside subdued trading activity primarily influenced by essential demand. The prices of doxycycline hyclate, tylosin tartrate, tiamulin, and...
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All commercial poultry eat with reasonably good precision to balance nutrient intake with requirements. Short term, there can be some variation in feed intake related to local situations, but long-term, the mechanisms of feed intake regulation are quite precise. Matching nutrient needs with intake is an obvious inherent evolutionary necessity to ensure survival and reproduction. A bird’s daily consumption of feed ultimately governs its health, growth, body composition and potential for...
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This research evaluates the nutritional potential of low-oil distiller's dried grains with solubles (DDGS), a co-product of ethanol production increasingly available in the global market. The study, conducted by Arturo Cortes-Cuevas, José Arce-Menocal, Ernesto Ávila-González, and Carlos López-Coello, was published in Veterinaria México OA, DOI: 10.22201/fmvz.24486760e.2019.3.543. As the ethanol industry shifts toward extracting more oil for biodiesel,...
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Compilation of a project KEY INFORMATION A series of 5 commercial feeding trials was performed from which 4 trials took place on commercial broiler farms growing between 300,000 and 420,000 broilers per cycle. Dietary protein was...
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Fernanda Castro (Cargill) explains how microbiome intelligence technology can help assess the flock's status and then choose the best strategy. As an example, she presented research on crude protein levels of diets during this Engormix interview at IPPE 2026 in Atlanta. ...
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Veterinary APIs Price Index (VPi): March 4th 65.95 March 11th 66.35 March 18th 67.14 March 25th 67.57 Market trading sentiment has notably intensified, propelled by widespread price hikes across major categories, resulting in an increase in market inquiries and procurement. The veterinary APIs market is exhibiting robust performance overall, characterized by active inquiries and a favorable procurement environment. The market trend in the latter half of the...
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