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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.
1. Introduction Plant compounds that possess antioxidant and antimicrobial properties have the potential to replace antibiotic growth promoters in poultry diets, especially since in most countries, the use of in-feed antibiotics has been banned [1]. The idea behind this intervention is to avoid antimicrobial resistance and residual effects posed by the systematic use of antibiotics, but to maintain high performance, bird health and to produce safe food [2]. Globally, many...
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INTRODUCTION There has been a substantial global expansion in egg production by the layer industry as the volume of egg production has increased by 119% (35.5 vs. 76.8 million tonnes) from 1990 to 2018 (http://www.fao.org) (Food and Agricultural Organization of the United Nations, 2018). This growth represents an average annual increase of 2.84%. China produced 458 billion eggs in 2018, and the USA produced 109 billion eggs in 2018 (https://www.statista.com). China had the...
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1. Introduction The poultry industry has undergone many changes in recent years in response to increasing demand for both meat and eggs [1]. As a result, nutritionists and geneticists have performed extensive work to improve bird weight, maturity time, growth rate, feed efficiency, and size of breast meat [1]. These changes have affected muscle formation and the chemistry of the modern broiler meat and consequently meat quality traits. Consumers demand high-quality meat, which...
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In recent weeks, the problem of the availability of raw materials has been accentuated, their high cost and uncertainty of supply have made several professionals in the sector rethink their usual way of working. Of course, there are some difficult months ahead, also...
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Dr. Nelson Ruiz shares with Engormix members his research on this quantitative approach to improve feed formulation, presented at the International Poultry Scientific Forum at IPPE 2022 in Atlanta.
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Performance trials investigating the relative nutritive value of DL-methionine vs. liquid MHA-FA and MHA-Ca
Support for knowledge-based purchase decisions for sustainable and economical livestock operations
Comparable achievements with 65 units of MetAMINO® vs. 100 units of MHA-products
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Mycotoxin detection: VICAM builds a stronger and more sustainable future for food
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1. Introduction The conversion of dietary protein and amino acids into the protein of chicken-meat is indeed a dynamic process. Quite typically, broiler chickens attain a live weight of 2.918 kg at 42 days post-hatch and a carcass weight of 2.151 kg following processing. This translates to 376 g of carcass protein as a Ross 308 broiler carcass contains 175 g/kg protein [1]. Broiler chickens consume 4.702 kg of feed over 42 days with dietary protein contents declining from 230 to...
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Feed Granulometry and the Importance of Feed Particle Size in Layers
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Dr. Piotr Stanislawski shares his advice with Engormix members regarding a profitable and effective choice of poultry feed additives....
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by Sam Shafer
Yangzhou University scientists examine meat quality from every angle
Duck meat is prized for its delicate flavor and juicy texture, as well as its notable protein content, polyunsaturated fatty acids, vitamins and minerals. In fact, duck meat is rising in popularity, especially in China.
The challenge is to get ducks to market quickly without compromising meat quality. In China, which produces 85...
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Will New Version of GMP Boost the Veterinary Drugs Industry?
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INTRODUCTION Met is the first-limiting amino acid in corn-soybean based diet of poultry and plays an important role for growth, and egg production, but excess Met supplementation can be toxic for poultry. Besides carcass yield and quality, feather growth is especially important economic trait for meat duck production. Optimum feathering is considered crucial in modern broiler production due to demands for high standards of carcass quality (Lopez-Coello, 2003). Poor feathering...
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I. INTRODUCTION The concept of “fast” and “slow” proteins in human nutrition was enunciated by Beaufrère et al. (2000) and consideration has been given to protein and starch digestive dynamics in poultry by Liu and Selle (2015). However, the digestion rate of protein has a greater bearing on broiler growth performance than that of starch (Liu et al. 2014). Thus, the objective of this experiment was to compare the effects of ten nutritionally...
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Let’s talk about Guanidinoacetic acid (GAA), Part II. In this video, Lukas Bauer, Manager Technical Consultancy for GuanAMINO® at Evonik Animal Nutrition, speaks about the importance of Guidenoacetic Acid (GAA) and the sustainability that offers for the animal nutrition industry...
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Let’s talk about Guanidinoacetic acid (GAA). In this video, Lukas Bauer, Manager Technical Consultancy for GuanAMINO® at Evonik Animal Nutrition, highlights why GAA is so crucial for Improving animal’s performance land to optimized production costs ...
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Let’s talk about Guanidinoacetic acid (GAA).Lukas Bauer, Manager Technical Consultancy for GuanAMINO® at Evonik Animal Nutrition, describes the Evonik’s customer experience using GuanAMINO® focusing on profitability and return on investment
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INTRODUCTION An important function of animal production is to provide high-quality protein for human consumption. In order to fulfill this role, animals themselves require high-quality protein in correct proportions in their diets. There are many ways to assess the quality of proteins, but nevertheless, they are all related to amino acid supply, which thus becomes a key feature in animal nutrition. For many years,...
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The objective of this study was to evaluate if the supplementation of guanidinoacetic acid (GAA) either on top or included with an energy matrix in broiler feed, improves or equalizes the productive and economic parameters in broilers, respectively. The study was carried out in an experimental farm located in the department of Santander-Colombia and lasted 34 days. A total of 1088 Ross 308 AP day-old male chickens, with an initial bodyweight of 42.5 ± 1.05 g, were allotted to four...
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Dr. John Thomson, U.S. Sales Manager for Feed Additives at AlzChem, highlights the different parts of the next evolution of Animal Nutrition. Creamino® increases the creatine supply to the cells and thus enables additional improvements in growth and health....
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INTRODUCTION Leucine (Leu) is a branched-chain amino acid (BCAA) that is essential for poultry species. It is one of the most potent amino acids regarding its effects on protein synthesis and degradation, energy balance regulation, modulation of insulin secretion, a nitrogen donor for muscle production and a critical regulator to initiate the translation and protein synthesis (Antony et al. , 2002; Norton et al. , 2006; Wu, 2009). Leu acts as a signal that...
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A study was conducted to determine the effects of crude protein (CP) reduction with amino acid (AA) balanced diets on growth, carcass yields, litter characteristics, and ecological footprint of feeds in mixed-sex broilers. A total of 2,688 Cobb MV × 500 FF broilers were allotted to 4 treatments (14 replicates of 48 birds per pen) from 11 to 36 d of age reared in an open-sided barn. Dietary treatments included: 1) Control diet (C) with DL-Met+L-Lys+L-Thr, 2) C+L-Val 3) C+L-Val+L-Ile and...
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