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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.
Poultry is a homothermal animal, and its body covers with feathers to increase its cold resistance. However, Taiwan is an island that lies in the tropic of cancer, and the general climate is marine tropical. During summer, this mechanism is adverse to heat dissipation and causes heat stress. Heat stress is a familiar stress effect that will affect animals’ growth performance, productivity, and health. Heat stress affects livestock production results in increased demand for net...
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Life Rainbow Biotech has developed a liquid type nutrition supplement – Gano-met® provides broiler and layer essential nutrition instantly and stress relief. Gano-met® contains extracted Ganoderma lucidum and methionine hydroxy analog (MHA), riches in active compounds such as required amino acid, polysaccharides, and triterpenoids. Ganoderma lucidum is an edible traditional medicine mushroom, also known as “Lingzhi”(Chinese) and...
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INTRODUCTION Poultry population in Nigeria is put at 140 million and it is a major contributor to the economy (FMAWR, 2008). There is also a consistent rise in intensification of production and a growth rate of 306.6% between 1999 and 2004 (Glipha, 2007). The importance of these statistics is that Nigeria inadvertently contributes to environmental issues currently debated world - wide vix air and water pollution, greenhouse gas (GHG) emission, climate change etc. Owing to the...
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Introduction Precision Animal Nutrition is the effective use of available feed resources in order to maximize the response of animals to nutrients. It is an ideal method to improve the productivity of animals in developing countries in view of inadequate...
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1. Introduction In hot climates, the growth of broilers is usually slow, as high temperature adversely affects feed intake, and high-protein diets, used to sustain animal growth, may impair broiler tolerance to heat stress due to the high heat increment induced by protein metabolism [1,2]. Decreasing dietary protein levels of broiler diets could be a good strategy, but the amino acid requirements for broiler chicks must be satisfied by supplementing synthetic amino acids to the...
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Woo Kyun Kim (associate professor and poultry nutritionist in the Department of Poultry Science, University of Georgia) will appear on December 8 th at a live webinar where the main subject will be “The role of peptides in...
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Feed Granulometry and the Importance of Feed Particle Size in Layers
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A study published in 2003 comparing the nutrition and genetics of broilers from 1957 to a commercially available broiler strain estimated that within less than 50 years of development, broilers were reared to maturation in a third of the time (Havenstein et al., 2003). This shows clear evidence that improvements in genetics, nutrition and management of rearing meat producing chickens has continually improved the growth rate of birds. However, the effects of rapid growth rate on immune...
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FLORFENICOL On October 21, the average market price was 440 yuan/kg, an increase of 0.69% MoM, a three-month high, but slightly lower than the same period last year, a YoY decrease of 2.21%. After...
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Introduction Dietary arginine supplementation higher than the recommended levels was shown to improve broiler performance (Murakami et al. 2012; Xu et al., 2018; Zampiga et al., 2018). It suggests that arginine levels needed for maximum performance could be higher in modern broilers, which is probably related to the several functions of arginine on animal metabolism. Besides, arginine enhances the protein synthesis via the activation of the mTOR signaling pathway (Yao et al.,...
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Introduction Protein is a major and expensive component of animal feed, accounting for about 20% of the total dry matter content of swine and poultry diets. Soybean meal is the leading source of feed protein [ 1 ]. In the gut, protein is hydrolyzed by endogenous proteases, principally pepsin (EC 3.4.23.1), trypsin (EC 3.4.21.4) and...
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Evonik to manage all its DL-methionine production from three world-scale hubs in Europe, Americas and Asia.
Evonik to strengthen its competitiveness by further improving its cost position.
Evonik to close its smallest DL-methionine plant in Wesseling, Germany, and to strengthen its...
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MOFCOM brings anti-dumping investigation to a close
Evonik pleased with outcome
Evonik sees a clear confirmation of reliability and security of methionine supply to the protein industry in China
Essen, Germany: Following the decision by The Ministry of Commerce of the People's Republic of...
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The objectives of the trial described in the article were (i) to compare the effects of OH-Methionine compared to DL-Methionine on growth performance and feather growth of Cherry Valley ducks fed from 0 to 42 days and (ii) to determine the bio-efficacy of OH-Methionine (OH-Met) relative to DL-Methionine (DL-Met). The trial was published by Zhao et al.2018 in Poultry Science: Efficacy of 2-hydroxy-4-methylthiobutanoic acid compared to DL-Methionine on growth performance, carcass...
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Amino acid pullet nutrition affects growth and development and it is important to evaluate potential effects on egg traits. One experiment was conducted to determine the effects of four amino acid (AA) dietary levels fed to broiler breeder pullets during the rearing phase from 5 to 24wk of age on egg characteristics. A total of 1,360 Cobb-500 slow-feathering pullets were placed in 16 floor pens (85/pen). Up to 4wk all pullets were fed one starter diet in crumbles and after 29d of age fed...
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Evonik introduces new, own GAA product after former supplier terminated agreement
Fast-growing animals require creatine supplementation via addition to the feed
GuanAMINO® is the best supplemental creatine source
Essen/Germany. Evonik has launched GuanAMINO® , its own guanidinoacetic acid-product (GAA) used to enhance energy metabolism in livestock...
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Rhodimet Itw techno Dosage - Marc Perel, Solution Application Manager, at Adisseo explains the different ways to dose liquid methionine in the feed mill and their associated performances....
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INTRODUCTION Consumer demand for eggs in North America has been steadily increasing, with retail growth of 6% in 2018 in Canada, up from the 4.1% growth seen in 2017 (Egg Farmers of Canada, 2017, 2018). In the United States, 2018 per capita egg consumption increased by 2.1% over 2017 (USDA, 2019). It is therefore critical to establish suitable nutritional and management strategies that accommodate these increased production goals, while accounting for the economic, social, and...
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INTRODUCTION Aflatoxins, the natural contaminants of feedstuffs, are toxic metabolites produced primarily by Aspergillus flavus and Aspergillus parasiticus. Aflatoxins may cause serious economic losses in the poultry industry because they prevent birds from achieving optimum body weight gains (Khatke et al., 2012; Oguz and Kurtoglu, 2000) Small amounts of aflatoxin B 1 may cause reduction in economic parameters, hatchability and also cause increased susceptibility to...
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