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Dietary energy available to animals is key to formulating feed as it is required for all aspects of animal life. In poultry, apparent (AME) and true (TME) metabolisable energy (ME) values have been developed for feed formulation with or without correction for nitrogen balance. Over the past 50 years, the accuracy of ME systems has been an ongoing debate and the data produced from different bioassays have been found not to be comparable (Farrell, 1999). Overall, the ingredient matrix ME...
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The influence of inclusion level of barley in wheat-based diets and supplementation of a multicomponent non-starch polysaccharide (NSP) degrading enzyme (Ronozyme® Multigrain) on growth performance and nutrient utilisation in broiler starter (d 0 to d 21) was evaluated. The activities of endo-1,4-β-glucanase, endo-1,3(4)-β-glucanase and endo-1,4-β-xylanase in enzyme were 800 BGU/g, 700 BGU/g and 2700 XU/g, respectively. Normal-starch (non-waxy) hulled barley (NSH) was...
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Lost in the Market Uncertainty Caused by the Outbreak
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Canola and camelina meals have been identified as alternative plant protein sources in place of soybean meal for animal feeding. The use of these protein sources at high inclusion levels is limited due to the presence of antinutritional factors such as phytic acid, glucosinolates, erucic acid, sinapines and tannins which have negative effects on production performance of broiler chickens (Thacker and Widyaratne, 2012). Solid state fermentation is a preferred method for enriching...
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I. INTRODUCTION Food waste refers to “the discarding or alternative (non-food) use of food that was fit for human consumption - by choice or after the food has been left to spoil or expire as a result of negligence” (FAO, 2015). It is estimated that the global economic loss caused by food waste is US$ 1 trillion annually. The wasted amount of cereals, root crops, fruits and vegetables, fish, oilseeds, meat and dairy products in the food industry has been estimated to...
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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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I. INTRODUCTION
The non-therapeutic use of antibiotics in animal feed has been banned in some regions of the world (Lekshmi et al. 2017) and there are restrictions on the use of some products in other countries, including Australia (APVMA, 2017). This has led to a search for alternatives to antibiotics for use in poultry production. Yeasts and their by-products have been identified as potential alternatives to antibiotics. In a recent study (Ahiwe et al., 2018),...
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This award acknowledges the contributions by support personnel and recognizes outstanding support of research, extension, or teaching programs in poultry science. This is an annual award.
Lorraine...
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This award recognizes distinctive, outstanding contributions by an industry leader or leaders based upon a broad, even nonscientific, contribution to the poultry industry.
Roselina...
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1 INTRODUCTION Vaccination against coccidiosis in broilers has become an increasingly important part of a global prevention strategy against the disease. Not only it is an effective treatment against the clinical disease, but it also represents a clear improvement in zootechnical results when vaccines are rotated with classic anticoccidial programmes. There are several studies in HIPRA’s Area Coccidia that show and explain these improvements. ...
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AMINONIR® Portable enables the reliable determination of energy, nutrients in feed raw materials and feed, as well as amino acids in feed raw materials, on-site and independent of a laboratory. The hand-held device connects with the user’s tablet or cell phone. It only requires mobile signal reception and a handful of feed or raw material without further sample preparation to determine their quality at almost any location within minutes....
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The status of Fellow is one of the highest distinctions a PSA member can achieve. The election to Fellow recognizes members of the Poultry Science Association for professional distinction and contributions to the field of poultry science and service to the Poultry Science...
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Poultry production is entering an era of antibiotic reduction or production without antibiotics. In such a situation, nutrition plays a crucial role and enzymes can help by reducing feed costs; however, enzymes are more than a nutrient matrix. As science of application of enzymes in feed and their effects on digestion kinetics in the gut evolve, it is becoming increasingly clear how enzymes influence the conditions in the gastrointestinal tract (GIT). Dietary challenges posed by fibre...
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Damaging pecking, or injurious pecking, is a major animal welfare concern. There are various forms of injurious pecking, including injurious feather pecking, feather picking, cannibalism, and aggressive pecking (see Table 1 on page 2). Not all species or breeds of birds perform...
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The natural creatine precursor Guanidinoacetic acid (GAA): GuanAMINO®
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Tracking and understanding hen movement in commercial free-range flocks is challenging due to complex housing furniture as well as the sheer volume of individual data involved. The purpose of this study was to develop interactive visualisation software that allows users to display recorded data and individualise graphs on demand using existing data. A total of ~9,375 laying hens were housed in three identical commercial free range sheds equipped with an open aviary system. Hens were...
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The use of Bacillus species as probiotic supplements is expanding rapidly and these products demonstrate immune stimulation, antimicrobial activities, enzyme production and competitive exclusion as the most prevalent modes of action (Grant et al., 2018; Hmani et. al., 2017; Reis et al., 2017).
The objective of this study was to evaluate the effect of a multi-strain Bacillus-based directly fed microbial (DFM) and its three single strains on performance of broilers challenged with a...
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Introduction Globally, feeding cost and the price of poultry product have recently increased due to increasing competition between human and animals for the same feed resources. Agriculture by-products are valuable feedstuffs that can be used in animal nutrition (Al-Harthi et al. 2018a, 2018b). In animal nutrition feed processing and feed additives as well have been used for improving the feeding values of feeds particularly of agricultural byproducts (Dozier et al. 2010;...
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1. Introduction The world’s chicken meat production has grown markedly in the last few decades, with a 3% increase estimated for 2020 in relation to the 95.5 million tons produced in the year 2019 [1]. Today’s successful production and exports of chicken meat are a result of measures adopted by the poultry industry, with high growth rates, minor feed conversion ratios and elevated meat production [2] that meet the market demands. However, problems that compromise the...
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The demand for poultry products continues to rise and, since the beginning of the COVID-19 pandemic, so has the popularity of backyard poultry flocks. With the current mandates for social distancing and isolation, those who are spending a greater amount of time at home view it as an...
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Modifications...
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Lost in the Market Uncertainty Caused by the Outbreak
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Ensuring welfare of birds at the farm is key to maintaining a healthy supply of eggs and chicken during the pandemic The COVID-19 pandemic has had a significant impact on various industries, including the poultry and livestock sectors. Livestock prices are...
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1. Introduction The welfare of laying hens has been the subject of interest in consumers, industry, and the government in Chile. The current main egg production system in Chile is the intensive cage system [1], allowing high egg production (3.9 thousand million in 2019) for an increasing human population. Joint efforts have been carried out between the industry, universities, and the government to establish minimum welfare conditions, including the development of the Good...
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