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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.
Ewa Sujka talks about the sanitary challenges of organic farming production and also gives an overview of the solutions that Liptosa offers in the market.
*Certain information associated with products, their composition and claims may be different depending on the geographical region and may not be applicable in all countries. Liptosa reserves the right to adapt to the requirements and legislation in each case.
The information and technical recommendations provided herein are based on...
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Neil Turner, Sales Director of Creamino® at Alzchem, speaks about the mode of action of Creamino® a feed additive for animals, which is naturally processed into creatine after absorption into the body
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Birds are omnivorous species, they are evolutionarily designed to consume products from plant and animal origin. However, for several reasons, poultry nutrition is shifting more and more to a vegetable diet. This shift has resulted in losing some important benefits of animal products, including creatine, an essential com-pound found in meat but not in plants. A feed ingredient survey conducted at AlzChem showed that creatine values found for meat meal (n=38) or fish meal...
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Reducing limitations in intracellular energy metabolism and improving cellular energy homeostasis can maximise the feed utilisation efficiency in broilers. Optimising the creatine stores by supplementing guanidinoacetic acid (Creamino) can maximise performance, a study shows. Could you improve the profitability of production by adding Creamino on top of an application or energy-saving effect? And would this make a valuable contribution to reducing the impact of currently...
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Mycotoxin Testing in the Feed Chain: A Risk Prevention Strategy for Raw Material Suppliers, Grain Storage Facilities and Processors, and Feed Manufacturers
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1 Introduction The rising number of recently reported human illnesses with bacterial infections resistant to multiple antibacterial agents has become a fundamental concern in recent years [1, 2]. This phenomenon has become a serious concern with regard to the emergence of antibiotic-resistant bacteria called “superbugs” [3, 4], especially when considering that humans only started using antibiotics in the past century with Sir Alexander Fleming’s discovery of...
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INTRODUCTION Methionine (Met) is often considered to be the first limiting amino acid in modern broiler diets. Synthetic Met has been commercially available for animal feed since the 1950s and is routinely included in modern poultry diets. Whilst studies on Met requirements, based on growth performance parameters are not novel, understanding the impact of dietary Met supplementations on apparent digestibility and plasma concentrations of amino acid is important in conventional...
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Nutrient-specific appetite has been defined as a dietary selection developed as a response to a specific nutritional requirement (Niknafs and Roura 2018). In chickens, specific appetites offer the opportunity to determine individual differences in nutrient requirements (Roura and Navarro 2018). In a double-choice feed model, slow compared to fast-growing chicks showed a high preference for feed supplemented with Glycine (Gly) versus an iso-energetic balanced diet (Roura and Navarro 2019)....
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Introduction The influence of seminal plasma on sperm storage may vary among species. Its removal is recommended in the majority of semen cryopreservation protocols of species such as caprine in order to ensure maximal sperm viability [1], but it isn’t entirely recommended in other mammals (e.g. ovine; [2]). Mammalian seminal plasma may contain factors that influence resistance of sperm to cold-shock damage and may prevent cryoinjury [3–5]. Conversely, detrimental...
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I. INTRODUCTION True sustainability was defined by the World Commission on Environment and Development (Brundtland Commission, 1987) as “the ability to meet the needs of the present without compromising the ability of future generations to meet their own needs”. Sustainability is a concept with multiple facets including, environmental (which includes both the demand for resources and environmental pollution), ethical (welfare and social conscience), economic and...
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Following on from the success of the Research Topic “Alternatives to Antimicrobial Growth Promoters and their impact in Gut Microbiota, Health and Disease”, we are pleased to launch Volume II.
Over a century ago Eli Metchnikoff (1907) proposed the revolutionary idea of consuming viable bacteria to promote health by modulating the intestinal microbiota. The idea is more applicable now than ever since bacterial antimicrobial resistance has become a serious worldwide problem...
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Effects of Amino Acids on Immune Responses and Gut Health in Poultry
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I. INTRODUCTION There is widespread interest in the successful development of reduced-crude protein (CP) diets, focusing on alternative dietary strategies to reduce CP levels whilst maintaining acceptable growth performance (Greenhalgh et al., 2020). Reduced CP diets have the potential to provide advantages environmentally by decreasing outputs of nitrogen and ammonia, improving bird welfare by enhancing litter quality and lowering incidences of foot-pad dermatitis and improving...
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Due to the high cost of feed for poultry, there is continuous pressure to formulate ‘least-cost’ diets that meet nutritional requirements. However, the main aim of any commercial enterprise is usually to maximise profits with the resources or inputs available. The increasingly dynamic nature of egg supply and volatility of egg price in Australia has reinforced the need for a more sophisticated approach than the total reliance on least-cost ration formulation alone for the...
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Hi, Does anyone have data on addition of exact levels of amino acids like valine, tryptophan and arginine other than lysine, methionine and threonine on a standard broiler diet with performance and economics? If so, please share. ...
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DESCRIPTION OF PROBLEM The world population is growing over the years, and it is expected to increase by 2 billion people in 2050. As a result, the increased demand for animal protein will have to be met by a congruent production in accordance to sustainable and environmental concerns. This suggests that alternative feed ingredients should be introduced in the animal production chain (Henchion et al., 2017). Insects meal is one of the promising strategies proposed...
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Feed Conversion Ratio: Unveiling the Secrets of Sustainable Livestock Production
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In this video interview, Martina Kluenemann, Research Manager for Nutrition Immunology and Physiology at Evonik Animal Nutrition, highlights how Guanidinoacetic acid (GAA) could be beneficial to improving animal energy metabolism in animal diets...
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GuanAMINO® is a creatine source that ensures optimal nutrient utilization and returns over feed cost. Furthermore, it spares metabolic energy and works towards an optimized amino acid metabolism. Not sure why you should add GuanAMINO® to your feeds? Contact your Evonik representative for more information.
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Introduction Today, the broiler industry plays an important role in supplying the protein requirements of the people of the world. Shortening of broiler rearing cycle enhances the importance of growth during the first week of life (Nistan et al., 1991). Although genetic selection for growth has affected the digestive tract of poultry, the digestive processes are not fully developed on the day of hatch (Croom et al., 1999). Therefore, the insufficient nutrient digestion and...
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INTRODUCTION Physical treatments, such as expansion and pelleting, are used in the processing of diets with the aim of enhancing feed efficiency. This occurs because during these processes, in addition to starch granule gelatinization, there are also partial protein denaturation, which leads to increased food digestibility and consequently improved broiler performance (Oliveira et al., 2011). Besides technological benefits, feed processing methods are associated with the...
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If Immunity is your top priority, Immunotech Forte™ is a synergistic combination of systemic enzymes such as Serratiopeptidase, Papain, Bromelain, Bioflavonoids,vitamins and amino acids. It is a fortified immunity enhancer to boost bird’s immune system, reduce stress and gain resistance to disease incidences....
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Introduction Soybean meal (SBM) is the most important and preferred source of quality protein in animal feeds (Banaszkiewicz, 2011). Among the oil seeds, SBM contains the highest crude protein (CP) and has the best AA profile, with only 6% crude fibre (Dei, 2011). The AAs in SBM are highly digestible by poultry (Newkirk, 2010). Based on the CP content, SBM can generally be classified as high protein (47% - 50%), or low protein (44% - 46%). Popescu & Criste (2003) suggested...
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