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Minerals in poultry nutrition
Minerals in poultry nutrition are typically classified as macro- or micro-minerals, depending on the levels needed in the diet. The macro-minerals include calcium, phosphorus, chlorine, magnesium, potassium, and sodium. Requirements for the macro-minerals are typically expressed as a percentage of the diet, while the requirements for the micro-minerals are stated as parts per million. Although the quantities required for micro-minerals are lower than for macro-minerals, they play an essential role in the body's metabolism. The micro-minerals include copper, iodine, iron, manganese, selenium, and zinc.
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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It has been shown that an ileal digestible phosphorus (IDP) value of 2.0 g/kg can support optimum bird performance (Li et al., 2017). However, the relationship of this value to dietary Ca concentration and phytase supplementation is still unclear. The aim of this study was to further clarify these interrelationships. Four hundred, day old, Ross, male broiler chicks were fed experimental diets based on wheat, sorghum, canola meal, soybean meal and meat and bone meal. The diets contained...
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1. Introduction Aflatoxin B1 (AFB1), a toxic metabolite produced by Aspergillus flavus and Aspergillus parasiticus, is one of the most potent naturally occurring carcinogens [1]. It poses significant risks to animal health and productivity, particularly in poultry, where the contamination of feed is a prevalent issue [2]. Broiler chickens are highly susceptible to the adverse effects of AFB1 due to their rapid growth rates and high feed intake [3]. Recent studies have...
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Meat and bone meal (MBM) is a valuable source of protein, calcium and available phosphorus for broiler diets (Anwar et al., 2016). The use of MBM in broiler diets at levels above 50 g/kg minimizes the need for inclusion of inorganic P, thus reducing feed cost. Potential indigestibility of protein in MBM (Kim et al., 2012) may act as a predisposing factor for necrotic enteritis (NE). Increased production of nitrogenous bacterial metabolites including amines and ammonia in the hindgut may...
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Phosphorus (P) is a non-renewable resource and will become increasingly scarce during this century. Nevertheless, excessive usage of P in the poultry industry results in additional costs and also increased P excretion, causing eutrophication and land erosion. Tackling these problems requires better understanding of P bioavailability and the P requirements of the bird. Furthermore, the evolution of phytase technology has necessitated a reevaluation of P and calcium (Ca) requirements for...
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Editorial
This month, our comprehensive search captured 74 new publications in poultry nutrition from 61 journals (March 10th to April 10th, 2025, Web of Science), featuring top contributions from Poultry Science (6), Frontier in Veterinary Science(6), Animals (5), Veterinary Medicine and Science (5), etc. ( Download the complete list...
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Speculation over the Provisional Ruling on Anti-dumping Duties of Lysine by the EU Against China
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I. INTRODUCTION With the current genetic focus being on longer laying cycles, there is a need to look for new ways of improving calcium metabolism in laying birds which are prone to osteoporosis in the latter stages of lay (Bain et al, 2016). Calcium pidolate (a highly soluble, absorbable salt with excellent gastrointestinal tolerance) has been around for 10-15 years in the commercial sector of the egg industry. Existing evidence suggests that this supplement has beneficial effects...
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Hello. What do you think about the DEB efficiency of the minerals used in the ration in the calculation of DEB (Na+K-Cl-S) in feeds? ...
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1. Introduction Trace minerals such as zinc (Zn), manganese (Mn), and copper (Cu) play critical roles in bone formation and eggshell quality [1,2]. Zn supports bone and cartilage integrity by facilitating collagen formation and hydroxyapatite crystallization [3], while Mn contributes to bone development by activating enzymes involved in synthesizing mucopolysaccharides in bone cartilage [4,5]. Cu is essential for maintaining bone tensile strength by aiding in the cross-linking of...
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The liver is the largest gland of the body and an accessory organ of the poultry digestive system. The liver involves in a wide range of functions including the fat mobilization and metabolism of carbohydrates, proteins, fats, vitamins and...
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Effective Solutions for Preventing and Treating CRD in Poultry with Natural and Conventional Approaches
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1. Introduction Among agricultural industries, the poultry industry is prominent in many countries, since it supplies the majority of human protein[1]. Providing humans with energy, protein, and essential micronutrients, poultry contributes substantially to food security and nutrition globally. In addition to having short production cycles, poultry can convert a wide variety of agricultural byproducts and wastes into meat and eggs that are edible to humans [2]. Increasing...
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Introduction Animal husbandry, the agricultural practice of breeding and raising livestock, is a major food-producing industry worldwide. The increasing global demand for animal protein results in rapidly growing animal production as well as the growth of animal feed and the feed additive market. The feed additives have played a significant role in the sustainability of the livestock industry. There are four major drivers for the growth of the animal feed additive market including:...
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Introduction Animal production faces serious challenges, having to feed a growing population while dealing with increased competition for land, climate change and having to take a more sustainable approach. Sustainable agriculture requires us to meet society’s present needs without compromising the ability for current, or future generations, to meet their needs. The effectiveness by which an animal is capable to transform feed biomass into animal products determines the amount...
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I. INTRODUCTION Dietary electrolyte balance (DEB) is defined by the interrelationship between sodium (Na + ), potassium (K + ) and chloride (Cl - ) where DEB = Na ++ K + -Cl - as mEq/kg and it plays an influential role in homeostasis of the body fluids. Borges et al. (2004) investigated DEB in two experiments and concluded that there was a quadratic effect on weight gain and feed conversion efficiency (FCE) when the DEB was...
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Craig Coufal (Jones-Hamilton) shares research on the benefits of sodium bisulfate in performance and gut health, in this Engormix interview during IPPE 2025 in Atlanta, USA
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Introduction: Due to the constant genetic evolution in both the production of broilers, nutritionists must constantly adapt their nutritional recommendations and feeding programs to maximize economic results at all times. These management and nutrition decisions must take into account: the animal (potential for growth), environmental conditions and the composition of the feed, which affect feed consumption and, consequently, the performance of birds. And economic...
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Collaborating with producers: Evonik & Al-Estesharia – A Win-Win Partnership
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Adnan Alrubaye (University of Arkansas) explains this disease, also known as BCO Lameness. He comments on different mitigation methods and his research collaboration with companies, in this Engormix interview....
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Raquel Burin (Zinpro) discusses the correlation between eggshell translucency and performance parameters, in this Engormix interview during IPPE 2025 in Atlanta, USA....
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Mohamad Mortada (ADM Animal Nutrition) shares the results of his research on zinc bioavailability, impact on growth and bone mineralization in this Engormix interview during IPPE 2025 in Atlanta, USA.
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Author details: 1 IRTA, Animal Nutrition, Mas Bové, 43120 Constantí, Catalonia, Spain; 2 IRTA, Animal Health, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autónoma de Barcelona (UAB), 08193 Bellaterra, Catalonia, Spain; 3 IRTA, Animal Welfare, Finca Camps i Armet, 17121 Monells, Catalonia, Spain; 4 IRTA, Animal Breeding and Genetics, Torre Marimon, 08140 Caldes de Montbui, Catalonia, Spain. 1....
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