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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.
Introduction There exist a general antagonism between growth rate and reproduction in domestic animals. Breeds selected for high growth rate allocate nutrients preferably in body mass development. This has detrimental effects egg production, fertility and livability. Therefore it is necessary to control the development of body weight development of broiler breeders through reduced feed intake. The common practice is a single meal allocation in the morning using a balanced diet....
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Introduction The high cost of inorganic phosphate has influenced the direction of research and the industry to discover alternative sources of phosphorus (P) or improve the availability of P, for broilers. The phytase enzyme has been highlighted in the nutrition of non-ruminants as a tool to reduce the dietary inclusion of inorganic P and to decrease nutrient excretion through the excreta (WALDROUP et al., 2000; GRAÑA et al., 2013). With the growth and narrowing of an...
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Stresses in poultry production Commercial poultry production is associated with various stresses leading to decrease of productive and reproductive performance of growing chickens, parent birds as well as commercial layers. In general, there are four major types of stress in poultry industry: technological, environmental, nutritional and internal stresses (Surai and Fisinin, 2016a; 2016b; Table 1).In fact, a list of...
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INTRODUCTION It has been reported that the low locomotor activity of broilers coupled to their high initial growth rate of broilers results in leg problems and gait abnormalities. Long times spent sitting on wet litter may cause breast and leg skin lesions, which may contribute for the deterioration of the flock well-being (McGeown et al., 1999; Vestergaard & Sanotra, 1999; Weeks et al., 2000; Bokkers & Koene, 2004; Bessei, 2006). A causal interrelationship between the...
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Evaluation of effectiveness of three probiotic products and a prebiotic to control Clostridium perfringens induced necrotic enteritis in broilers
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Introduction Calcium is an essential nutrient to the body of birds, as it participates in several biochemical functions and in bone formation. The deficiency of this mineral can cause damages; thus, it is essential to adequately meet the nutrient requirements in the different stages of bird development. Its metabolism is closely related to that of phosphorus (P) (Mello et al., 2012), which leads to caution in the formulation of balanced rations for these minerals to obtain...
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Outbreaks of avian and swine influenza, as well as African swine fever in Asia, are forcing scientists to reevaluate and redirect their research towards a stronger strengthening of the immune system through nutrition. Immunonutrition is the study of the relationship between...
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Innovative Directions in Aflatoxin Testing Point to Measureable Gains in Quality Of Lab Data
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Introduction Gano-met ® (Life Rainbow Biotech Co., Ltd. Taiwan) is a liquid supplement containing methionine hydroxy analog (MHA) and Ganoderma lucidum extract that can be applied into drinking water for poultry. Methionine is considered as a limiting essential amino acid in poultry diets. Synthetic Met, such as MHA, is widely used in feed to meet the nutritional requirement. MHA also exhibit hepatoprotective action, acidifier, and antibacterial effect....
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Influenced by temperature and ultraviolet radiation, the activity of virus is limited in summer, but the higher temperature leads to the decrease of feed intake of chickens. When the feed intake decreases, the intake of energy and protein decreases accordingly. At the same time, the concentration of digestive enzymes in intestine decreases due to the increasing water intake. And the time of chyme passing through digestive tract shortens. The digestibility of nutrients, especially most...
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An impact of Deoxynivalenol produced by Fusarium graminearum on broiler chickens
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What are the main benefits of Selisseo®? Anne-Sophie Conjat, Global Business Manager of Selisseo®, speaks about Selisseo®, the only pure source of hydroxy-selenomethionine on the market that exists in both forms: powder and liquid, in the series Minute Selisseo®
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On 9-10 September, Animine and the European Federation of Animal Science (EAAP) have organized the third Animine Academy in Chantilly (France). This two-days international scientific conference gathered more than 100 animal nutritionists from the industry and academy. High quality presentations focused on current challenges in animal production...
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A Natural Choice for Growth Enhancement in Farm Animals - 3 ESSDENDIS
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Introduction Mycotoxins are secondary metabolites of low molecular weights produced by certain strains of filamentous fungi such as Aspergillus, Fusarium and Penicillium, which invade crops in the field and may grow on foods during storage under favaourable conditions of temperature and humidity. The most common mycotoxins are aflatoxins, fumonisins, ochratoxin A, trichothecenes, zearalenone, and out of which aflatoxins (AF) commonly contaminate a wide variety of tropical and...
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Introduction Mycotoxins are secondary metabolites of low molecular weights produced by certain strains of filamentous fungi such as Aspergillus, Fusarium and Penicillium, which invade crops in the field and may grow on foods during storage under favorable conditions of temperature and humidity. The most common mycotoxins are aflatoxins, fumonisins, ochratoxin A, trichothecenes, zearalenone, and out of which aflatoxins (AF) commonly contaminate a wide variety of tropical and...
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Reliable and accurate nutritional data of heat processed ingredients with AMINONIR® RED
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Iron plays an important role in poultry nutrition. From the active site in the heme group in blood to functional groups in enzymes, iron is critical for metabolic balance. These roles for iron aren’t unique to animals, as it is also important in the growth of bacteria, including pathogens. Also, iron is a significant antagonist against minerals, vitamins and other nutrients in diets. The right balance of active and available iron is critical to optimize broiler growth. Several trials...
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Introduction Mycotoxins are secondary metabolites of low molecular weights produced by certain strains of filamentous fungi such as Aspergillus, Fusarium and Penicillium, which invade crops in the field and may grow on foods during storage under favorable conditions of temperature and humidity (Shamsudeen et al., 2013). The most common mycotoxins are aflatoxins, fumonisins, ochratoxin A, trichothecenes, zearalenone, and out of which aflatoxins (AF) commonly contaminate a wide...
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Kayla Price (Alltech) explained the process of achieving great quality and discussed oviduct structure, eggshell composition and organic minerals, among other subjects, during the Multi-State Poultry Feeding and Nutrition Conference in Indianapolis, USA....
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INTRODUCTION The worldwide occurrence of mycotoxins producing fungi and their ability to grow on the variety of economical important cereal crops have rendered them as unavoidable contaminants of human and animal food and feeds. The family of ochratoxins consists of three members known as ochratoxin A, ochratoxin B and ochratoxin C among these ochratoxin A (OTA) is the most toxic one. They are the second major group of mycotoxins characterized after the discovery of aflatoxins....
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Introduction Phosphorus (P) is an important mineral required in poultry diets for normal growth and development (Ankra-Badu et al., 2004). It constitutes the costliest mineral nutrient in animal nutrition and is the third most expensive component in non-ruminant diets, where the first two are energy and protein (Boling et al., 2000). Countless studies have been focused on the P requirement for poultry, not only due to its economic importance but also due to its...
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Introduction Broiler diets consist basically of plant-derived ingredients. These feeds are characterized by having a large part of phosphorus in the form of phytate (Rostagno et al., 2011), which is poorly hydrolyzed by monogastric animals (Ravindran et al., 1995), which do not have a significant activity of enzymes such as phytase throughout the gastrointestinal tract. However, in addition to complexing with phosphorus, the phytate molecule is also able to bind to other...
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INTRODUCTION The aflatoxins are group of closely related fungal secondary metabolites produced by certain strains of Genus Aspergillus. The aflatoxins are reported to be carcinogenic, mutagenic and teratogenic and toxic which causes severe economic loss in poultry due to poor growth, reduced feed intake, poor FCR and immunosuppression rather than heavy mortality. Several studies have been conducted on dietary supplementation of nutrients for counteracting aflatoxicosis in...
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INTRODUCTION Poultry farming has metamorphosed into an organized industry in recent past and registered a rapid growth over last three decades in India. Many problems are continuously challenging against successful poultry farming operations and the common one is threat of mycotoxicosis in poultry. Aflatoxins (AF) have been demonstrated to be carcinogenic, mutagenic, teratogenic and toxic. Surveillance of AFB 1 content of poultry feedstuffs in U.P., India by Johri et...
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