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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 The impact of gastrointestinal disease ranges from erosive to catastrophic, and considerable time, effort and financial resources are devoted to limiting the risk and consequence of disease challenge. Intense breeding and selection programmes have provided birds with the genetic potential to perform in the face of disease challenge, while good biosecurity has reduced the risk and consequence of infectious disease. At the...
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INTRODUCTION The utilization of leaf meal feed ingredient as alternative is not new but the inclusion level at various ages and physiological conditions varies. The green plants have long been recognized as the cheapest and most abundant potential source of proteins because of their ability to synthesize amino acids from a wide range of virtually unlimited and readily available primary materials [1]. Any assessment...
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Optimizing Feed Additive Integration: Mixing and Dosing Strategies
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Feeding of poultry has become more innovative as the conversion of feed to poultry production is more efficient than ruminant. Unlike dairy, poultry products like meat and egg are energy dependant on synthesis as the major energy component is utilized for oxidative energy. It is assumed that out of 3200 kcals ME 1500 Kcals is used for the body maintenance and 800 kcals for products synthesis. The incorporation of carbohydrates into chicken meat or egg is insignificant as the composition is with...
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Introduction In the late 1930’s and early 1940’s not a single childbirth was reported during a period of ten years in one area of China. It was found that for economic reasons villagers had switched from cooking with soybean oil to crude cottonseed oil (Liu, 1957). Women suffered from amenorrhea and men were impotent. These epidemiological findings led to clinical studies...
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Summary
A trial involving 4588 day old broiler chicks was conducted to check bio-efficacy of Avizyme- 1505 & Phyzyme (Danisco Denmark) and Allzyme SSF (Alltech USA) Four diets were prepared as fallows o Control diet (normal feed having ME 2750 Kcal/kg) o Control (-ve) diet having ME 2750 Kcal/kg without any enzyme o Diet supplemented with Avizyme-1505 @ 200 g/ton and Phyzyme @ 50 g/ton having ME 2690 Kcal/kg o Diet supplemented with...
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ABSTRACT This study was conducted to determine the effects of organic and inorganic chromium (Cr) supplementation on performance parameters, eggshell quality and some serum parameters of laying Pharaoh quails (Coturnix coturnix Pharaoh). Laying quails(n: 360; 59 days old) were randomly divided into three experimental groups each including 120 birds. Basal diet applied to control group was based on corn-soybean meal without additional organic or...
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SUMMARY A total number of 240 laying hens and 24 cocks of Silver Montazah strain at 40 weeks of age were randomly divided into 12 groups (20 hens and 2 cocks / each treatment group). Birds in all treatments were nearly similar in the average initial body weights and average daily egg production A 4 x 3 factorial design experiment was performed including four levels of supplemented lead (0. 250,500 and 1000 mg/kg...
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Introduction In Asia and some tropical countries of Africa, edible and medicinal mushrooms such as Pleurotus ostreatus and Ganoderma lucidum are used as food supplements and medicines to improve various parameters of human health and immune functions in certain disease conditions (Chang and Buswell, 1996; Chang and Mshigeni, 2001; Anthony and Joyce, 2007). Many literatures are...
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INTRODUCTION To extend the biological poultry farming of its isolation and find substitutes able to replace growth factor antibiotics and antioxidants, research on poultry were focused during the last years on alternatives involving the use of natural additives. To achieve these goals and promote more favorable terms and less stressful to the digestive tract, the clay was tested and...
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Introduction Poultry are monogastric animals, which depend on highly digestible feed ingredients to improve their growth performance and health. Energy-providing feed (such as maize or corn) and body building food like soybean and groundnut in form of cake as protein sources are required by poultry (birds). However, these feedstuffs are stable food for many people. In Nigeria, soybean is...
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(Mandarin) Strengthening Pellets for Better Feed Performance
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Dears,
I am new in poultry business. I need help from you. Please give me ideas regarding daily feed consumption of broilers. I have 60000 birds capacity farm. Ijaz ahmad ...
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Nutrigenomics 101: An Introduction
Microarray technologies have spurred the development of the field of nutrigenomics. Using microarrays to evaluate the activity of thousands of genes simultaneously, offering a rapid measure of nutrient-induced, physiologic changes. Traditional animal trials involve feeding a specific diet and measuring whole-animal changes such as growth rate, production or performance....
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Introduction
Previous studies have demonstrated that a metabolizable energy (ME) value of 50 kcal/kg could be attributed to 100 ppm of an encapsulated blend of cinnamaldehyde, carvacrol and capsicum oleoresin (XT, XTRACT® 6930 – Pancosma). In addition, work with phytonutrients has shown that the improvement in performance is closely associated to changes in intestinal microflora, and improvement in digestion...
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Introduction
Studies have demonstrated that a metabolizable energy (ME) value of 50 kcal/kg could be attributed to 100 ppm of an encapsulated blend of cinnamaldehyde, carvacrol and capsicum oleoresin (XT, XTRACT® 6930 – Pancosma). In addition, a previous work showed that XT led to greater performance compared to a standard supplementation of bacitracine in broilers. Therefore the objective of this trial was...
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The modern broiler breeder is more of a challenge to manage and feed than their predecessors.
The end user has demanded changes in the broiler that they will purchase that results in breeding companies putting pressure on various traits including but not limited to; growth rate, feed intake, breast meat yield and feed conversion ratio. Improved selection techniques and better analytical methods have resulted in significant...
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I. INTRODUCTION The application of exogenous enzymes to counteract anti-nutritive properties of targeted dietary components and improve broiler growth performance is routinely practiced. The performance of broilers offered sorghum-based diets may be inconsistent and is not usually enhanced by non-starch polysaccharide-degrading enzymes. However, amongst cereal grains, sorghum contains relatively high phytate concentrations (Selle et al., 2003)...
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I. INTRODUCTION Juncea canola (Brassica juncea) was developed as a drought and heat tolerant alternative oilseed to canola in Australia. Its oil and meal qualities are similar to canola. The level and types of glucosinolates in the juncea canola meal meet the specification of canola meal with total glusinolates of less 30 umoles/g. (NSW DPI, 2009). Juncea canola oil is low in erucic acid (<2%) and moderate (57-63%) in oleic acid...
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Importance of chromium as a dietary supplement Reducing stress in poultry remains a topic of concern amongst producers and scientists. An increased concentration of glucose in blood and a decreased protein level are associated with stress induction along with an increase in circulatory cortisol level. A temperature >30 o C represents a heat-stressed condition for birds and is one of the most common stressors that affect the production criteria in poultry in the...
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Optimizing Feed Additive Integration: Mixing and Dosing Strategies
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INTRODUCTION Poultry industry present and future is focused on becoming a sustainable industry, on one side by decreasing the consumption of ingredients used also as human food, by increasing the use of alternative feedstuffs, and also by developing technologies to allow an increase on the digestible fraction of the feed, to diminish environmental pollution, for example exogenous enzymes addition to the feed. In the case...
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Introduction Rapid growth, efficient feed conversion and low mortality rate are the prerequisite for a successful poultry enterprise. The importance of calcium and phosphorus in poultry is quite obvious, as they constitute the major part of the mineral contents of the bones. Calcium and phosphorus are very closely related to each other, and the deficiency or excess of one can interfere with the proper utilization of the...
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