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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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Feeding the future in a sustainable way requires innovation. At Trouw Nutrition, we are focused on finding new ways of achieving enhanced performance while reducing dependency on...
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Poultry manure fertilizer contains all the essential nutrients required for crop production, and its value as an organic fertilizer and a source of plant nutrients has been recognized for centuries. Even with its beneficial effects on plant growth, however, manure constitutes only a small percentage of the nutrients applied to cropland when compared to commercial fertilizer. Poultry manure fertilizer is not used to its maximum...
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INTRODUCTION Nowadays, there are a lot of concerns to finding non-synthetic alternatives for antibiotics among the researchers. The positive effects of herbal plants on broilers have been reported by many studies. Herbs showed anti biotical potential, hypocholestrolemic effects and growth promoting, which have drawn the researcher’s attention themselves [1]. Organic poultry...
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Afla V ONE 5 - 300 ppb Method for Total Aflatoxin Detection in Complete Feeds and Pet Food
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1. Introduction Aflatoxins, which are secondary metabolites produced by the Aspergillus flavus and parasiticus species of mold, are among the most potent natural carcinogens. No animal species is immune to the toxic effects of consuming food contaminated with aflatoxin and Aspergillus species are known to infect important agricultural crops. Therefore, in cases where preventative management strategies in...
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Introduction A delicate balance between antioxidants and prooxidants in cells is an important determinant of various physiological processes and maintenance of this balance is the main aim of so called an integrated antioxidant system built in the animal body. This system was developed during evolution to provide an antioxidant defence and give a chance for animals to survive in oxygenated atmosphere. Recent data suggest...
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INTRODUCTION There are several challenges associated with maintaining profitability in large tom turkey production. Among these are choosing the commercial genotype or strain that optimizes feed conversion ratio (FCR), ending weight (EW) and breast yield according to each company’s market needs. There have been concerns with “skeletal weakness” in commercial toms for over 40 years. In 1971 the National...
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INTRODUCTION Aflatoxins (AF), a group of closely related, extremely toxic chemicals, are produced by Aspergillus flavus and Aspergillus parasiticus and can occur as natural contaminants of poultry foods (Edds and Bortell, 1983; Leeson et al., 1995). Aflatoxicosis is an important disease of livestock and poultry. AF may be produced in food and foodstuffs before harvest, between harvest and drying, in storage and after...
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Copper (Cu) has been widely used at pharmacological levels (e.g., 125 ppm) as growth promoter in poultry. However, the mechanism by which high levels of Cu promote growth remains to be determined. It is commonly recognized that Cu exerts anti-microbial effects in the gut but there is not much direct and consistent data showing that Cu alters the population of bacterial species in birds. The objective of this study was to understand the mechanism by which Cu...
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Originally published in Research in Veterinary Science 2001, 71, 59-66 AFLATOXINS (AF), are secondary metabolites produced by certain fungi belonging to the genus Aspergillus and can occur as natural contaminants of poultry feed (Leeson et al 1995, Oguz 1997). The toxicity of AF in broiler chickens has been widely investigated by the determination of their carcinogenic,...
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AMINODat® 6.0 The most extensive web-based database for animal nutritionists
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Originally published in Research in Veterinary Science 2000, 69, 89–93. AFLATOXINS (AF), a group of closely related, extremely toxic chemicals, are produced by Aspergillus flavus and Aspergillus parasiticus and can occur as natural contaminants of poultry foods. Aflatoxicosis is an important disease of livestock and poultry. The frequent AF contamination of agricultural...
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Introduction The poultry industry is facing growing concerns about the possible contribution of land application of poultry litter to eutrophication of surface waters (Edwards and Daniel, 1992; Sharpley, 1999). Attention has focused on means of reducing phosphorus excretion while maintaining productivity. Because of the demands for adequate skeletal development of rapidly...
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MINTREX® chelated trace minerals from Novus International provide high quality, highly bioavailable zinc, manganese and copper to livestock and poultry. MINTREX chelated trace minerals optimize key production parameters above levels obtained by other organic and inorganic mineral sources, directly increasing customer profitability by improving feed efficiency while improving critical gut health and increasing nutrient digestibility to improve growth rate....
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Novus International invited Dr. Laura Star, Researcher Poultry Nutrition at Schothorst Feed Research as a guest speaker during the European Symposium on Poultry Nutrition. At this Novus lunch symposium, Dr. Star presented on the environmental constraints in poultry related to Zn, Cu and Mn. and introduced the Schothorst Feed Research. She algo spoke about the P efficiency and P excretion in laying hens and the actions to reduce Zn and Cu excretion, thei functions, interactions and the use of...
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The U.S. Poultry industry operates in an integrated manner, with the majority of birds owned and managed by relatively few companies. Ten companies represent seventy percent of the 8.8 billion broilers marketed annually in the U.S. The vast majority of turkeys raised in the U.S. are owned by three well-known, leading companies; the top 16 laying hen companies represent 70% of the 258 million laying hens in the U.S. (Poultry USA, 2010). The industry is very...
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Dr. Scott Carter, Global Poultry Market Manager for Novus, speaks about mineral nutrition to improve bioavility at XII Simpósio Brasil Sul de Avicultura, in Chapecó, Brazil....
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Introduction Concerns about the possible contribution of P runoff from the application of poultry litter to eutrophication of surface waters has focused attention on means of reducing phosphorus excretion (Edwards and Daniel, 1992; Sharpley, 1999). Because of the demands for adequate skeletal development of the rapidly growing broiler and the variability of phosphorus content in...
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For the last two decades poultry nutritionists have been dealing not only with how to improve production efficiency, but also how to improve the nutritional profile of poultry meat and eggs. When compared to beef and pork, poultry meat is undoubtedly the leanest, but due to consumer demands the industry cannot be complacent about the current advantage. The recent reduction in animal fat and total cholesterol consumption caused a significant erosion of the previously accepted dietary image of...
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I. INTRODUCTION Calcium (Ca) and phosphorus (P) are essential minerals for many biological processes and skeletal health, however, they have a complex interactive relationship. Phytate is the naturally occurring storage form of P in plants, with the main storage site of phytate-P being seeds (Tamim et al., 2004). As poultry diets are comprised mainly of seed based ingredients, there is a considerable amount of phytate-P...
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