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Porcine Reproductive & Respiratory Syndrome (PRRS)
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Enric Mateu (Universitat Autónoma de Barcelona) talked about protection, antibodies and possible improvements in this area, during IPVS2022 in Rio de Janeiro, Brazil....
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Daniel Linhares (Iowa State University) shared his insights on indicators and methods for monitoring this disease, in this Swine It interview with host Laura Greiner....
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Daniel Linhares (Iowa State University) talked about virus detection and research results on PRRS outbreaks, in this Swine It interview with host Laura Greiner....
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Introduction There is growing advocacy for antibiotic-free (ABF) livestock production to minimize the emergence of antibiotic-resistant foodborne pathogens and subsequent human exposure to these treatment-refractory organisms [1–4] This trend has been driven by the escalating presence of antibiotic resistance, including multi-drug resistance, among a variety of important bacterial pathogens that infect both animals and humans [5,6]. In food-animal settings, resistant...
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The inhalation route is used to administer treatments for respiratory diseases, because it has the advantage of delivering high concentrations of active ingredients in the target organs (the respiratory system), and low concentrations that could lead to side effects in the rest of the body....
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A presentation prepared for the 24th International Pig Veterinary Society Congress and 8th European Symposium of Porcine Health Management at the Royal Dublin Society (RDS) Dublin, Ireland 8th June 2016. Porcine reproductive and respiratory Syndrome Virus (PRRSV) is the most economically significant infectious disease of swine worldwide. Due to the great impact of PRRS in many key swine producing areas of Asia, Europe and the Americas, the epidemiological situation created by...
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Cordyceps militaris is a rare and exotic Chinese medicinal mushroom. Cordyceps militaris is widely used as a tonic for vitality and longevity for thousands of years by the Chinese. Cordyceps militaris has been used for a long time as a nutraceutical food in Korea and Japan. Easy-immune contains cordycepin and polysaccharides from Cordyceps as natural immunity booster. The medical potential of the metabolites of Cordyceps militaris has been widely...
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Introduction Porcine Reproductive and Respiratory Syndrome (PRRS) is the most relevant infectious disease in the swine industry. PRRS virus (PRRSv) live inoculation has been used to stabilize and even eliminate PRRS in positively confirmed farms. Batch farrowing is a production system used to maximize productivity and could be used to interrupt disease transmission in susceptible populations. This report captures the stabilization of a one site farm with a continuous production...
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Cordyceps militaris is a rare and exotic Chinese medicinal mushroom. Its chemical composition and pharmacological effects are similar to C ordyceps sinensis . Cordyceps sinensis is widely used as a tonic for vitality and longevity for thousands of years by the Chinese. Cordyceps militaris has also been used in Chinese medicine for thousands of years. Easy-immune contains cordycepin and polysaccharides from Cordyceps as a natural immunity...
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Introduction The emergence of Porcine reproductive and respiratory syndrome virus in the 1980s and early 1990s was a turning point in the ways in which diseases were dealt with in pig farms. The impact of the disease, its rapid spread worldwide (by 1993 the infection was present in America, Europe and Asia) and the unusual features of the virus made evident that a vaccine was urgently needed to try to control the infection. The first vaccine...
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Porcine reproductive and respiratory syndrome (PRRS) is a major viral disease of swine with devastating economic consequences to the swine industry. 1,2 Pigs of all ages are susceptible to PRRS virus, with highly variable clinical manifestations in different age groups of infected pigs, ranging from abortion, anorexia, and pyrexia in pregnant sows to respiratory signs, high mortality, and poor growth in young pigs. 3 Several direct and indirect mechanisms have been...
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Introduction During the last decades, the use of data by farmers has been limited. Most of the systems used were simple and mainly focused on the management of farm tasks, with limited or no capacity of analysis. Integration of data from different devices or farms was also difficult, and there was little applied knowledge on the value of data in the strategic decision-making. Another weak point, not solved so far, is the lack of support services in use of...
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Introduction The controversy that disease was transmitted by invisible life forms stretches back centuries dating to Aristotle (300BC) who believed that all life originated from soil and Virgil (40BC) who believed that bees came from honey and maggots originated from warm meat. It was Spallanzani who showed that no maggots arose from boiled meat while others showed that simple cotton filters could prevent spontaneous generation of life from warm meat. The...
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The global swine production industry has experienced a revolution in the last 30 to 40 years. Forty years ago, production was geographically centralized (i.e., all production activities were centrally located), small scale and outdoors. Producers were knowledgeable in many areas, but a specialist in none and few had employees. Swine production has now transitioned to where many of the production activities are geographically decentralized at specialized facilities. The...
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INTRODUCTION In 2016, 63% of U.S. market hog sales originated in Iowa and the surrounding six states (USDA, 2017). While Midwest swine production is in a unique position of being favorably located geographically, such density increases the risk of disease transmission among farms. Porcine reproductive and respiratory syndrome virus ( PRRSV) is the costliest disease facing pig producers. Holtkamp et al. (2013) estimated annual losses of 664 million U.S. dollar...
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1. Introduction Porcine reproductive and respiratory syndrome is an important disease in swine industry. The disease has become endemic in many countries throughout the world following an epidemic phase. It is caused by infection with the Porcine Reproductive and Respiratory Syndrome Virus (PRRSV), a small single-stranded, non-segmented RNA virus [1]. The virus is enveloped, spherical and ranges in size from 45 to 80 nm in diameter. PRRSV is differentiated into two genetically...
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Dr. Edison Magalhães (Iowa State University) comments on the impact of this important disease during a Swine It interview with host Márcio Gonçalves....
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Dr. Larry Rueff (Swine Veterinary Services) explains the percentage of treatment in this Swine It interview with host Laura Greiner....
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PRRS continues to be a devastating problem, costing the swine industry hundreds of millions of dollars annually. Reducing the impact of PRRS can require a multifaceted approach. In a study conducted by Demeter Veterinary Services, Inc. / Groupe Cèrés, weaned pigs fed 100% bovine plasma significantly outperformed pigs fed a control diet without plasma. With today's price of 100% bovine plasma, producers can significantly increase net...
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