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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.
Evonik, the company with a lot to share at PSA 2019
Presenting record 14 abstracts
Hosting the Amino Acids Symposium
Evonik will present 14 scientific abstracts at the Poultry Science Association (PSA) conference as it looks to share its scientific expertise and develop sustainable solutions to the challenge of feeding the growing global population.
This is a record number of accepted submissions for...
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Key information Compared to growing poultry, exact determination of the relative bioavailability of methionine hydroxy analogue compared to MetAMINO ® is constrained by physiological mechanisms in laying hens which often result in overestimation of the relative bioavailability. The relative bioavailability of 65 % for methionine hydroxy analogue is applicable in layers and bears no risk in terms of performance depression, as confirmed by three recent feeding...
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Pedro Castelo, Business Manager at Evonik Animal Nutrition in Brazil, points out the benefits of PROXYMet™, designed to confirm the superior nutritional value of MetAMINO® versus methionine hydroxy analog., during the Simpósio Brasil Sul de Avicultura 2019...
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Victor Naranjo, Technical Manager LATAM at Evonik Animal Nutrition, discussed some of the advantages of using supplemental amino acids in broiler nutrition, highlighting the main points of his conference at the Evonik Spanish Seminar during IPPE 2019....
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Mike Persia (Virginia Tech) discussed the positive effect of this enzyme on different doses and the environmental impact, during IPPE 2019 in Atlanta, USA....
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Introduction Broilers diets are usually based on corn and soybean meal; in most cases, animal by-products are also used as raw material. Considering that the main source of crude protein in broiler diets is soybean meal, the first limiting amino acid for broilers is methionine, which has to be supplemented in the feed from industrial sources available on the market (Lemme et al., 2002). The most common sources of methionine in the supplements available to the poultry...
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Edgar Oviedo (NC State University) explained the findings in this research and future studies on the subject, during IPPE 2019 in Atlanta, USA....
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Introduction The inclusion of exogenous enzymes in broiler diets has been increasingly intensified with the objective of maximizing nutrient utilization and reducing feed costs, thus improving dietary, nutritional and energy levels (Adeola & Cowieson, 2011). Exogenous enzymes improve the nutritional value of feed ingredients due to the degradation of specific bonds not efficiently hydrolyzed by the endogenous digestive enzymes of birds and to the degradation of...
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Effect of Selected Yeast Fraction on The Growth of Clostridium Perfringens: Quantitative Determination of Growth Inhibition and Adsorption Capacity
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Introduction The issue of antibiotics-resistance on animals has raised the concerns of meat safety and human health. The banning of antibiotics- growth promoter in animal feed was announced in EU in 2006. Other countries are starting to follow the regulation to comply with the compulsory withdrawal periods to ensure ‘antibiotics-free’ products. During the ‘antibiotics withdrawal periods’ of livestock, though biosecurity and vaccination program of poultry...
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Abstract
A battery study was conducted to evaluate the efficacy of phytase superdosing in improving growth performance, pancreatic response, and nutrient digestibility of broilers with a high trypsin inhibitor model. There were 5 dietary treatments: positive control (PC), negative control 1 (NC1), NC1+ 1500 U/kg phytase, negative control 2 (NC2), and NC2 + 1500 U/kg phytase. In NC1 and NC2, the SBM was substituted with full fat extruded soybeans to target the trypsin...
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Conclusion The present study conducted at Schothorst Feed Research resulted in an average bioavailability of MHA-FA and diluted DLM65 of 65% and 61%, respectively compared to MetAMINO® considering the overall growth and carcass parameters. These results demonstrate that the relative bioavailability of MHA-FA is significantly lower than its active content of 88% and consistent with the 2018 EFSA scientific opinion of 66% on product basis (75% on equimolar...
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Three recent feeding studies confirm that supplying laying hens with adequate dosages of a methionine is necessary to optimize performance, but moreover, products of the methionine-hydroxy analog (liquid MHA-FA; MHA-Ca) are interchangeable with DL-methionine at a ratio of 100:65, without having any negative effect on egg production performance. Assessment of the relative bioavailability of MHA products should be reflected both in the respective dosages and in the purchase price of the...
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Bacillus licheniformis-Fermented Products Improve Growth Performance and Intestinal Gut Morphology in Broilers under Clostridium perfringens Challenges (Extract)
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Thanks to its superior bioefficacy and efficient processing, dry crystalline methionine (DLM) significantly reduces operating costs. Our video shows why dry crystalline methionine (DLM) and its liquid counterpart MHA-FA have a different impact on your business....
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Introduction Egg production, as an industrial activity, is always aimed at improving efficiency in production and economy by benefiting from the genetic potential presented by the current strains of commercial egg-producing hens. However, a constant concern lies in good nutrition. Given this aspect, one should be careful with the reduction of crude protein in diets for poultry due to a reduction in potassium levels also caused by the decrease in the soybean meal amount (Murakami...
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Methionine, As we know very well is an essential amino acid meaning it is not required by the body and has to be supplemented from outside. Which means that a bird needs it from sources like feed which opens the doors of business for all those industries which produce methionine. If it would have been like other amino acids which are non-essential and produced by the body we certainly would not have been interested in its business and discussing about Herbal Methionine. Methionine is non...
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Introduction Broiler diets are commonly supplemented with dry DL-methionine (DL-Met; 99% active substance), liquid methionine hydroxy analogue-free acid (MHA-FA, 88% active substance) or dry methionine hydroxy analogue-calcium salt (MHA-Ca, 84% active substance). Several broiler trials have demonstrated that the relative bioavailability (RBA) of Met hydroxy analogue products (MHA-FA or MHA-Ca) is on average 65% in relation to DL-Met on product basis (Lemme et al., 2002;...
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Dr. M. Gopi (Central Avian Research Institute) explains the effects of these additives on body weight in broilers, and other benefits, during the 5th IHSIG Symposium on Poultry Intestinal Health in Bangkok, Thailand....
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Introduction L-carnitine (LC) is a naturally occurring and widely distributed in nature compound. It was discovered in 1905 in Liebig’s meat extracts, a popular ‘dietary supplement’ at that time, by Gulewitsch and Krimberg [1] who named the substance from the Latin word for flesh (“carnus”). Carnitine chemical structure was established in 1927 and its function was related to long-chain fatty...
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1. Introduction Meat-and-bone meal (MBM) is a potential source of protein, calcium and phosphorus in poultry diets for some parts of the world, including Australia, China and Southeast Asia. However, there are considerable variations in its protein quality and Ca and P concentrations. Ravindran et al. (2002) reported substantial variations in ash (13.0e56.5 g/100 g), crude protein (38.5e67.2 g/100 g), crude fat (4.3e15.3...
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Introduction Commercial poultry production is associated with various stresses responsible for decreasing productive and reproductive performance of growing chicks, breeders and commercial layers. A growing body of evidence shows that most of stresses in poultry production at the cellular level are associated with oxidative stress. Recently, a concept of the cellular antioxidant defense has been revised with special...
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