Article published the September 29, 2025
I. INTRODUCTIONLow-protein diets for broiler chickens axiomatically contain high inclusions of supplemental amino acids and have the potential to generate economic, environmental and bird welfare advantages. Low-protein diets are usually formulated by reducing soybean meal inclusions and increasing inclusions of a range of supplemental amino acids. An alternative approach was adopted in the presen ...
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@E. Ernest M. Pierson I applaud and agree that you formulate diet on analysed amino acid content rather than on table values. I like to add that technologies are available to have very immediate results on raw mateial quality including amino acids proximates and even heat damage of protein and amino acids. With AMINONIR by Evonik you get the result within minutes.As hopefully everybody agrees, cru ...
Article published the July 17, 2025
1. IntroductionThere is considerable interest in the successful development of low protein diets for broiler chickens, which axiomatically contain high inclusions of supplemental amino acids. This is because low protein diets have the potential to generate economic, environmental and bird welfare advantages.Formulation of low protein diets are usually achieved by decreasing soybean meal inclusions ...
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Recent publications by Verhelle und Saremi (2024) and Westreicher-Kristen et al. (2025) reported broiler feeding experiments to evaluate the nutritional value of guanidinoacetic acid (GAA) in comparison to L-arginine (L-Arg). Basically, reported broiler performance responses are in agreement with expectations based on literature. However, the authors drew misleading conclusions on the efficacy of ...
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In previous assays (Macelline et al., 2022), data on egg production rate (EP) and egg mass (EM) of Isa Brown layers from 27 to 33 weeks of age (peak production -PP) and from 42 to 48 weeks of age (Post PP) were used to predict amino acid (AA) requirements by fitting linear broken-line (LBL), and quadratic broken-line (QBL) models. Subsequently, the ideal ratios of Ile, Met + Cys, Thr, Trp, and Val ...
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Dr. Pradeep Krishnan (Evonik Animal Nutrition) highlights the growing importance of gut health in animal nutrition, addressing the immune challenges faced by producers. Discover how Evonik is leading the way with innovative solutions, such as probiotics and tributerins, to improve gut flora balance and integrity.
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Nils Niedner (Evonik Animal Nutrition) explains how DL-Methionine (MetAMINO®) is the most efficient Met source to improve animal performance and profitability. Try the MetAMINO® Calculator app for easy comparison of Met sources.
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Fernanda Castro (Evonik Animal Nutrition) talks about how GuanAMINO®, a source of guanidino acetic acid (GAA), supports muscle growth and energy metabolism in poultry.
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Compilation of a projectKEY INFORMATIONA 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 gradually reduced in subsequent trial while standard diets well represented German broiler feed. Basically, average crude protein levels were decreased by 0.3 % up to 1.5 %. ...
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Dr. Dirk Hoehler, SVP Essential Nutrition at Evonik, highlights how reducing crude protein and supplementing amino acids optimizes feed efficiency, lowers costs, and supports environmental sustainability, paving the way for a greener future in animal production.