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Introduction
Toxoplasmosis is an important foodborne disease worldwide. Its public health importance has been largely under-recognized, but recent evidence has shown that Toxoplasma gondii leads to a high burden of disease at global, regional and national level. The World Health Organization ranked toxoplasmosis as number 13th among 31 foodborne diseases globally, also demonstrating regional differences, with for example a relative...
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Introduction
An important work function for the practicing veterinarian is to solve various problems in swine herds. Diagnostics and making a diagnosis are an important part of solving a problem.
The diagnosis is central for describing the problem, identifying the problem and, finally, making a change that will hopefully lead to the problem being solved.
A diagnosis can either be made for individual animals or,...
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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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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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Antibacterial activity of Bacillus species-derived surfactin on Brachyspira hyodysenteriae and Clostridium perfringens (Extract)
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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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Introduction Streptococcus suis (S. suis) is a major porcine pathogen responsible for important economic losses to the swine industry. In fact, it is one of the main causes of bacterial death in post-weaned piglets, from 5 to 10 weeks of age. According to the Canadian Swine Health Information Network, S. suis-related diseases are the most common infectious problem reported in Canadian swine farms. In addition, the Monitoring and Analysis Working...
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Introduction All over the world, E. coli is an important cause of a wide range of diseases in pigs, including postweaning diarrhea (PWD) (Fairbrother et al., 2019). Diarrhea due to E. coli may result in significant economic losses due to morbidity, mortality, decreased weight gain, and cost of treatment, vaccinations and feed supplements. Clinical signs fluctuate with time and regions and may range from mild diarrhea with 1.5 to 2% mortality...
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Antimicrobial resistance (AMR) is a global concern, for both animal health and public health. Estimations of the burden of AMR predict that 10 million people will die annually in 2050 when no action is taken now. Many resistant bacteria (or resistance genes) can cross species barriers, and therefore exchange of resistant bacteria and resistance genes between humans, animals and the environment occurs frequently. Most obvious is the transfer of AMR from animals to humans...
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Introduction
The founding objectives of the IPVS were to provide a forum for exchanging ideas and information concerning pig health and disease, to encourage the formation of pig veterinary societies in all countries and to foster cooperation among them. In 1969, Dr. Tom Alexander chaired the Organizing Committee of the inaugural IPVS congress in Cambridge, UK. Tom embodied and shaped the soul of the IPVS by melding an eminent scientific...
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According to monitoring data provided by the China Veterinary Medicine and Feed Trading Center, the price index of major veterinary APIs is operating smoothly with relatively little volatility in the market price. Heat and humidity are unfriendly to the production of some varieties of APIs. Factories have recently arranged seasonal shutdowns for maintenance. It is expected to result in a tight supply of the related raw materials in the short term. Heavy rains and floods in northern...
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Márcio Gonçalves shares some insights about sow lactation feed intake in this Swine It video....
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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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Antibacterial activity of Bacillus species-derived surfactin on Brachyspira hyodysenteriae and Clostridium perfringens (Extract)
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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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Representatives from ABPA, ABCS, ABEGS and Embrapa will actively participate in promoting IPVS Rio de Janeiro
Aiming to make the connection between science and market,...
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Introduction In swine industry, the weaning transition is a complex period during which the piglets have to cope with abrupt separation from their dam, mixing with other litters in a usually new environment and switch from highly digestible feed (milk) to a less digestible more complex solid feed; hence weaning is a stressful experience for the piglets involving nutritional, psychological, environmental, microbiological, and immunological stresses (Lalles 2008), which could...
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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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Introduction Coccidiosis is an infectious disease of the intestinal tract of wild and domestic animals caused by different protozoa. These include but are not limited to Isospora, Neospora, Cryptosporidium, and Eimeria of the phylum Apicomplexa. Those parasites are widespread, especially where intensive production systems are used to raise livestock. They cause mortality, poor growth, and impaired performance. In addition to mortality and reduced growth, coccidiosis also affects...
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In the last 10 years, Clostridium difficile has been implicated as a major cause of neonatal diarrhea in pigs.1 Clostridium difficile infection (CDI) typically affects piglets ranging in age from 1 to 7 days. Clinical signs of CDI include diarrhea, abdominal distention, and scrotal edema, with most of the pathology being attributed to toxins A and B. 2 The prevalence of C difficile is widespread in the United States and has been referred to as the most important uncontrolled cause...
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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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