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Poultry nutrition - Other additives
Alternative feed additives have promising importance in broiler production due to the ban on the use of certain antibiotics. The most used antibiotic alternatives in broiler production are phytogenics, organic acids, prebiotics, probiotics, enzymes, and their derivatives. Antibiotic alternatives have been reported to increase feed intake, stimulate digestion, improve feed efficiency, increase growth performance, and reduce the incidence of diseases by modulating the intestinal microbiota and immune system, inhibiting pathogens, and improving intestinal integrity. Simply, the gut microbiota is the target to raise the health benefits and growth-promoting effects of feed additives on broilers. Therefore, naturally available feed additives are promising antibiotic alternatives for broilers.
Introduction and objective The ban or more limited utilization of antibiotics growth promoters in many countries has reduced the tools to control gut microflora. In this context, a synthetic ion exchanged clay under a patented process (B-Safe), was developed and is proposed as an alternative to antibiotics to help in the gut microflora management. In vitro and in vivo trials were...
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Introduction: Yellow dent corn yields have been greatly improved by plant breeders since the 1950s. Unfortunately, as yields heightened and other agronomic traits were improved nutritional quality declined and variability increased. A ready however, new generations of “value enhanced’’ corn with multiple advantageous traits are coming into the market. (J.C. Weigel, 1999). In these new, nutrient dense types of corn,...
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Rovabio ® , the versatile enzyme from Adisseo, has a proven efficacy on wheat and corn distillers dried grain with solubles (DDGS) on broilers. We evaluate that the metabolizable energy uplift with Rovabio ® Excel is about 5.5 % for corn DDGS and 7.5% for wheat DDGS.
The significant levels of cellulase and xylanase in Rovabio ® allow for breakdown of the increased...
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The EU has approved a new probiotic feed supplement from Biotal, part of the Lallemand group.
The product ( Bactocell ) contains a specific strain of the bacterium Pediococcus acidilactici , which has several beneficial modes of action in the gut, according to Louis Hurdidge, monogastric business manager with Biotal.
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Poultry diets must be formulated to provide all of the bird's nutrient requirements if optimum growth and production is to be achieved. There are six classes of nutrients: Carbohydrates - the major source of energy for poultry. Most of the carbohydrate in poultry diets is provided by cereal grains. Fats - provide energy and essential fatty acids that are required for some body...
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Antibiotic growth promoters (AGPs) have been an integral part of the poultry feed industry for more than fifty years. However, a search for the alternatives to the AGPs has been initiated since their prolonged use has precipitated some problems such as development of resistant strains within groups of primary pathogens or opportunistic bacteria and break down of the symbiosis between the animal and desirable flora. The search is therefore on for an economically...
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Abstract Twenty nine cockerels were used to investigate the effect of cassava peel meal on the haematology. The birds were assigned to 3 treatments namely D1, D2 and D3. D1 had 9 birds and served as control. D2 and D3 which contained 20% and 30% CPM respectively had 10 birds each. Statistical analysis of the haematological parameters showed significant differences (P<0.5) between...
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I would like to know how to feed moldy forage without affecting the health of poultry or farm livestock. Any opinion would be really appreciated! Thanks, ...
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Gastrointestinal diseases pose a serious threat to commercial poultry production. Infections with pathogenic bacteria and their subsequent translocation to other organs and tissues, cause deterioration of feed conversion, increase mortality and reduce productivity. A number of studies have shown enhanced nutritional and growth parameters in poultry, using organic acids. However, most acids are corrosive, with negative impacts on work safety as well as on the feed...
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Abstract Phytogenic alternative (Natchol#) for synthetic choline was evaluated by monitoring the performance of commercial broilers on economic traits, accumulation of liver fat, gross & histopathology of liver. Total 768, day old commercial unisex (male) broiler chicks weighed individually and randomly assigned equally in to 2 treatments with 6 replicates per treatment & 64 chicks per replicate. The birds of treatment 1 were offered the...
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ABSTRACT : The principal objective of this experiment was to determine the effects of dietary betaine on IGF-I, IGFBP-3 and IGFBP-1 secretion and IGF-I mRNA gene expression in the serum and liver of laying hens. A total of 72 ISA-Brown laying hens were fed with four different levels of betaine (0, 300, 600, 1,200 ppm) based on a corn-soybean meal diet containing 2,800 kcal/kg of metabolizable energy (ME) and 16% crude protein (CP) for four weeks. The results...
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Most of published trials are conducted in experimental farms, under good conditions, and generally give better performance than average field ones. We can then question about the practical use of these results in field conditions. In order to evaluate the influence of the conditions under which a product evaluation is done on the conclusion of the test, a 2x2 factorial study was conducted with broilers from 1 to 42 days of age : animals were...
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Which is the amount in grams of daily food for laying hens? Here is an answer from our Spanish community, by Giovanni Cabrera Ortega from Chile: Hello, It is advisable to provide between 110 and 120 grams of food for pondering chickens per day, but this has to be broken down as follows: Base energy (wheat, corn, wheat middlings, corn middlings, soybean, oats, etc), between 68 to 82 percent. Base protein (fish meal, middlings and other bone),...
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1. Introduction Diet formulation and the reduction in dietary protein levels, considered essential for the achievement of economic goals and to protect the environment, necessitate a better understanding of amino acid requirements. The concept of ideal protein for layers is limited by our understanding of the «requirements». The determination of a daily Lysine requirement has been attempted by many researchers. The results...
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How to treat a layer flock with history: poor egg shell quality, vaccinated against EDS, use of DCP in feed but no results? Can we use Milfone -C or Calcium Borrogluconate in water for treating flock? ...
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Managing broiler breeders is a new challenge with every flock as breeder companies produce new and improved "models" that have better growth efficiency and productivity than the year before. At the same time producers have been getting better at raising highly uniform flocks. All this progress means that the way we have allocated feed in the past might not be the most effective way to feed new and improved strains. Getting the right amount of feed to your broiler breeder pullets at...
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The increase in demand for cheap food and advent of modern production methods in agriculture have given rise to the use of synthetic compounds in feed, for example, sub-therapeutic antibiotic supplementation. For the past half-century, low, prophylactic doses of antibiotics have been standard practice. Although the response to antibiotic growth promoters (AGP) depends on a number of factors, including farm management, exposure to pathogens, environmental stresses and diet, their use is well...
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An experiment was conducted at Research & Development Centre, Islamabad Feed Mills, Rawat, Pakistan, from July 26 to September 01, 2007. The trial used 4,356 day old broiler chicks and was conducted to 35 days of age to determine bio-efficacy of a phytase enzyme (Phyzyme XP 10000 TPT, Danisco) on the growth performance of broiler chicks. Eight treatment diets were prepared as follows: 1. Without DCP&MCP and no phytase...
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Meeting the nutrient needs of modern intensively reared broilers is a challenge to the feed formulators. The high yielding broiler birds require diets with high nutrient density. Commercial feeds are, therefore, often supplemented with fats and oils to achieve the high energetic density. The fats added to the diet enter the gastro-intestinal tract as part of the digesta in rather big coagulated particles. Under the influence of bile salts these fat particles are emulsified into smaller...
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All recognised vitamins with the exception of vitamin C are dietary essentials for poultry nutrition, and each is required for normal metabolism, health and growth. Feed ingredients such as corn, soybean meal and meat meal, all contain natural sources of vitamins and in some situations could theoretically contain enough to meet the nutritional needs of poultry.
However the concentration of vitamins contained in these raw...
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