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Swine biosecurity
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The dissemination of ASF and the challenges involved in containing its damage were the topics of discussion during the IPVS’ Panel presented online at the 333 Experience Congress, held on November 19th, which brought together...
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Introduction African swine fever (ASF) is one of the most complex infectious swine diseases. Its notification to the World Organization for Animal Health (OIE) is mandatory due to the high mortality it causes, its efficient transmission rate and the great sanitary and socioeconomic impact that it produces on international trade of pigs and pork products. The African swine fever virus (ASFV) is a large, enveloped double-stranded DNA virus, which is the only...
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Introduction Although only two years have passed since the last IPVS congress in Chongqing (China), the global swine industry has been completely transformed by the emerged threat of African swine fever (ASF). The introduction of ASF to South East Asia, especially to China, has altered perceptions of ASF. On one hand, the massive scale of the outbreak in the People Republic of China (PRC) has given the perception that the situation in many countries is not...
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The disease African swine fever (ASF) is one of the most important infectious disease of swine. This disease causes greater sanitary, social and economic impacts due to its high mortality rate in domestic pigs and restrictions on the pig and pork trade. It is not a zoonotic disease, which limits its impact on public health. ASF must be notified to the World Organization of Animal Health (OIE). There is not a commercial vaccine or treatment against ASF at...
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The International Pig Veterinary Society (IPVS) will support the 333 Experience Congress, which will be held for the first time in Brazil. The online event will be on November 18th – 19th, 2021.
The program will include nine different panels. On November 19th, from 10 am to 12 pm IPVS2022 will be sharing highly relevant information on African Swine Fever (ASF) in a panel entitled A Global overview of the African Swine Fever, which will be chaired by Fernanda Almeida, and Lia...
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Introduction Influenza A viruses (IAV) are the causative agents of one of the most important viral respiratory diseases in pigs and humans. Human and swine IAV are prone to interspecies transmission, leading to regular incursions from human to pig and vice versa. This bidirectional transmission of IAV has heavily influenced the evolutionary history of IAV in both species. Interspecies transmission of distinct human seasonal lineages, adaptation followed by...
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Introduction Although African swine fever (ASF) was first described almost a century ago, controlling the disease has proven to be a challenge, in particular because no vaccine or treatment are available. Spread of ASF can only be prevented by early detection and the application of strict compliance of classical disease control methods, including surveillance, epidemiological investigation, tracing of pigs, stamping out in infected holdings, strict...
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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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A newly published open access review article [1] discusses the epidemiological conclusions made about how porcine epidemic diarrhea virus (PEDV) may have been introduced to the first confirmed PEDV case farm in Ontario, Canada on January 22, 2014. The authors noted that an epidemiological investigation [2] had concluded that “ The weight of evidence gathered during an outbreak of porcine epidemic diarrhea (PED) in Canada in January 2014 supports an association with feed containing...
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1. Introduction Classical swine fever (CSF) is one of the most important infectious viral disease of domestic pigs and wild boars, caused by the classical swine fever virus (CSFV), which belongs to the species Pestivirus C, is an enveloped RNA virus belonging to the growing genus Pestivirus, within the family Flaviviridae [1–3]. CSFV strains can be divided into three genotypes, with three to four sub-genotypes [4]. In the American continent, the circulating viruses belong...
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FAO alerted countries to take preventive measures in light of the recent detection of the first case of African swine fever in the Americas, discovered in domestic pigs in the Dominican Republic, on July 28, 2021.
The Food and Agriculture Organization of the United Nations stated that African swine fever does not represent any risk to human health, neither through direct contact with infected animals, nor through the consumption of any animal product.
The disease is now found...
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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
Talk about traditional bacteria in pigs, and Mycoplasma hyopneumoniae (M. hyopneumoniae) will be among the first ones to be mentioned. The “tradition” of this microorganism may be based on the fact that it has been recognized as a swine-specific pathogen for more than five decades, that it is prevalent in most areas where pigs are raised, and that it is common to accept its circulation in pig herds....
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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 As African swine fever virus (ASFV) continues to spread across Southeast Asia, classical swine fever virus (CSFV) expands within Japan, and foot and mouth disease virus (FMDV) reports continue from China, there is increased concern that foreign animal disease (FAD) may enter previously naïve areas. Their continued entry would be devastating to the global swine industry, but also to those that produce feed and ingredients fed to pigs. In...
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Adisseo Group announces the signature of an agreement to take 24.99% participation through a capital increase in the company PigCHAMP Pro Europa SL.
This investment represents for Adisseo a...
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Dr. Chris Chase (South Dakota University) discussed what to do in a pandemic situation and how to apply this knowledge to pig production, during this Swine It interview with host Márcio Gonçalves....
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Dr. Cesar Corzo (University of Minnesota) explains how the industry reacts to different challenges in this Swine It interview with host Márcio Gonçalves....
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1 | PART 1: WHAT DO WE KNOW?
1.1 | Introduction
Effective biosecurity protocols are essential towards protecting the health status of swine farms. In the United States, tremendous resources have been invested to reduce the risk of viral pathogens, such as the entry of porcine reproductive and respiratory syndrome virus into susceptible populations. Protocols including shower in-shower out, transport...
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During 2019, outbreaks of S. zoo septicemia were reported in Ohio and Tennessee with mortality up to 50%. Then, in January 2021, a sow herd in Indiana experienced abnormally high mortalities related to S. zoo. The emergence of S. zoo associated with mortalities at a level not previously seen in the US prompted the Swine Health Information Center (SHIC) to fund a project conducted at Iowa State University (ISU) and the National Veterinary Services Laboratory to meet the urgent need for...
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