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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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Maintaining a healthy poultry gut and immune system is an essential but controllable factor which can directly influence efficient feed conversion. Several studies have demonstrated that a selected yeast postbiotic promotes a healthy gut thus...
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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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Will New Version of GMP Boost the Veterinary Drugs Industry?
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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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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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Mycotoxin Testing in the Feed Chain: A Risk Prevention Strategy for Raw Material Suppliers, Grain Storage Facilities and Processors, and Feed Manufacturers
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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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Optimizing performance in broilers with low crude protein diets
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Modifications...
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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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1. Introduction Monogastric animal production, in particular the poultry production sector, is growing continuously, driven mostly by the demand for meat and eggs. However, this rapidly growing industry and the increasing demand for poultry feeds have led to a considerable increase in feedstuff prices. The gap between demand and supply of balanced feed is expected to increase, and consequently increase the cost of production....
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1. Introduction Salmonella enterica is one of the leading causes of foodborne illness in the United States and around the world [1,2]. While there are over 2500 serotypes of Salmonella, 20 serotypes, including serotype Infantis, account for most U.S. human infections [3]. Infantis was the sixth most common serotype associated with human infections in 2016 and the fifth most common serotype isolated from chicken products in the U.S. in 2014 [3,4]. Infantis has consistently been...
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Introduction The application of sub-therapeutic doses of growth-promoting antibiotics (GPAs) in the poultry industry has allowed the development rate and production yield of the birds to be increased while preventing infections [1] by changing their intestinal microbiota, metabolism, and intestinal function [2]. Feeding is a particularly important factor in commercial poultry farming as it represents approximately 70% of the total cost of production, which has led to increased...
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