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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.
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Background Biofortifications of chicken with bioactive nutrients such as DHA and calcidiol [25(OH)D3] have been viewed as an effective strategy to produce health-promoting meat for human consumption [1, 2]. Relatively low to moderate inclusion levels of calcidiol (1600 to 2800 IU/kg diet) [3, 4] and DHA-rich microalgal biomass or oil (0.55 to 2.55 g DHA/kg diet) [5–7] in broiler diets caused no negative effects on growth performance, lipid profile of tissues, or...
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Silvia Peris Miras, DVM, Ph.D., Executive Regional Technical Services Manager for Europe, Africa & Middle East at Novus International speaks about the role of zinc, copper, and manganese trace minerals in Breeder Hens...
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What really matters in feed phosphates? The quality of a feed phosphate is determined by the total phosphorus content and its absorbability. In other words, the total amount of P which is available to be used (absorbed) by the animal. Although current formulation systems assume a 100% absorbability for all the inorganic feed phosphates, current research demonstrated differences in absorbability of P content among different types of phosphate. Moreover, significant differences in...
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Effects of heat stress on plasma calcium concentration, egg production and egg quality Highly productive modern poultry breeds are more prone to heat stress and rising global temperatures is one of the greatest challenge for the industry. It greatly damages a bird’s performance in terms of feed intake, feed conversion, body weight, egg production, rooster activity and hatchability (Nilipour, 1996). Stress of high environmental heat during summer also interfere with the...
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INTRODUCTION Phosphorus (P) is an essential mineral for all farm animals and plays a key role in cellular metabolism, cellular regulatory mechanisms and in bone mineralisation (Suttle, 2010). Furthermore, next to calcium (Ca), it is the most abundant mineral in the body of farm animals including poultry (Georgievskii et al., 1982). In most diets for poultry, a source of inorganic P, for example, monocalcium phosphate (MCP) or dicalcium phosphate (DCP), is included to fulfill the...
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In the summer season, as the temperature increases, poultry suffers from the condition called heat stress, also known as summer stress. This is a condition of imbalance between heat generation and heat loss in the body. This condition not only brings poor performance in birds but is also...
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Introduction Academia and industry have invested huge resources into defining both the nutrient composition of feedstuffs and nutrient requirements of meat and egg-type poultry. Both aspects are highly complex because of their dynamic nature. Nutrient availabilities depend on the genetics of each feedstuff, but also geographic region, weather, and growing conditions. These factors impact both the quantity of nutrients and the molecular structures from which those nutrients must...
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Maternal supplementation of different levels bis-chelated trace minerals on reproductive performance of broiler breeder and growth performance of progeny subjected to coccidia challenge Song Bin 1 , Shiping Bai 1 , Keying Zhang 1 , Xuemei Ding 1 , Jianping Wang 1 , Qiufeng Zeng 1 , Quan Tan 2 , Yuyun Mu 2 , Juxing Chen *2 . 1 Animal Nutrition Institute, Sichuan Agricultural University, 2...
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Dr. Juxing Chen, Senior Manager of Structure/ Function Biology at Novus, points out why poultry producers should be interested in maternal nutrition to help achieve their financial or sustainability goals...
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The egg is the most sensitive food for human, which require the minimumtransformation process form the farm to the table; and the one that is the most biologically active and without having undergone sterilisation processes. To preserve the optimal properties of the egg, it is crucial to ensure a good quality of the eggshell. The parameters of eggshell quality: resistance, increased porosity, fragility and the presence of malformations or fissures...
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Background & Objectives Calcium and phosphorus are considered to be the major macro-minerals in layer diets, due to their expressive contribution to the metabolism in birds and the quality of the eggs. Those two minerals are closely related in a such that a deficiency in one can interfere with the proper utilization of the other. However, few studies have been conducted to evaluate the requirement of Ca and P along with the correct synergy between them in layer diets....
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BE THE MASTER OF ENERGY. Dr. Pierre-André Geraert, Adisseo's director of Scientific Marketing, points out the benefits of NESTOR, a service to obtain nutritional recommendations for poultry & swine in net energy, digestible amino acids, and minerals to adapt them to specific conditions ...
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Alternative procedure for determining lysine maintenance requirement in poultry
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1. Introduction Nutrition plays a pivotal role in maintaining the health of pullets, quality egg production by laying hens and body growth of broilers (Wang et al. 2017). Nutraceuticals are the nutrients or constituents of animal diet that have nutritional and pharmaceutical importance by preventing various diseases, possessing immunomodulatory potential, providing health benefits and consequently increasing productivity (Dhama et al. 2015; Aronson 2017; Helal et al. 2019;...
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Dr. Shambhavi, Technical Manager at Rossari Biotech Limited talks about the importance of alternative protein sources for poultry....
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Poultry industry is heavily influenced by feed commodity prices, trade negotiations, currency fluctuations and economic growth of the importing markets. Firstly, it was Covid then poultry product prices dropped on fears of linking chicken consumption to the virus transmission. Further Avian influenza...
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Vitamin D, also known as calciferol, is the inactive form of vitamin D that can be ingested through diet or be generated endogenously in the skin when exposed to UV light. Vitamin D is converted into its active form 1, 25-dihydroxycholecalciferol (1,25-(OH)2 D3), following a two-step hydroxylation process mediated by two key...
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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 The livestock industry has undergone many changes aimed at the production of safe products, considering mainly the health of the consumer, thus strongly affecting the area of animal feeding for its impact on the productive, economic and social parameters and at the same time addressing the current tendency to cause the least possible impact on the environment (Montossi et al., 2013; Fajersson, 2015). In the search for natural alternatives for the management of...
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