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Showing only stories from the Abs. category: Abstracts from journal articles of general interest to swine veterinarians. -- show all categories

Concentration, Size Distribution, and Infectivity of Airborne Particles Carrying Swine Viruses
August 25, 2015 —  [Abs.]
When pathogens become airborne, they travel associated with particles of different size and composition. Particle size determines the distance across which pathogens can be transported, as well as...

A Review of Feed Efficiency in Swine: Biology and Application
August 19, 2015 —  [Abs.]
Feed efficiency represents the cumulative efficiency with which the pig utilizes dietary nutrients for maintenance, lean gain and lipid accretion. It is closely linked with energy metabolism, as the...

Evolutionary Dynamics of Influenza A Viruses in US Exhibition Swine
August 12, 2015 —  [Abs.]
The role of exhibition swine in influenza A virus (IAVs) transmission was recently demonstrated by over 300 human infections of H3N2v viruses while attending agricultural fairs. Through active IAV...

Artificial Insemination in Pigs Today
August 12, 2015 —  [Abs.]
Use of artificial insemination (AI) for breeding pigs has been instrumental for facilitating global improvements in fertility, genetics, labor, and herd health. The establishment of AI centers for...

Live Animal Markets in Minnesota: A Potential Source for Emergence of Novel Influenza A Viruses and Interspecies Transmission
August 5, 2015 —  [Abs.]
Live animal markets have been implicated in transmission of influenza A viruses (IAVs) from animals to people. We sought to characterize IAVs at two live animal markets in Minnesota to assess...

Changes in the Swine Gut Microbiota in Response to Porcine Epidemic Diarrhea Infection
July 29, 2015 —  [Abs.]
The gastrointestinal tract of mammals is a complex ecosystem with distinct environments and comprises hundreds of different types of bacterial cells. The gut microbiota may play a critical role in...

Association of the Presence of Influenza A Virus and Porcine Reproductive and Respiratory Syndrome Virus in Sow Farms with Post-Weaning Mortality
July 29, 2015 —  [Abs.]
Influenza A virus (IAV) and porcine reproductive and respiratory syndrome virus (PRRSV) are among the most important pathogens affecting pigs worldwide. Their effect on post-weaning mortality can be...

An Evaluation of Porcine Epidemic Diarrhea Virus Survival in Individual Feed Ingredients in the Presence or Absence of a Liquid Antimicrobial
July 8, 2015 —  [Abs.]
Eighteen ingredients commonly included in commercial swine diets were selected, including 3 grain sources (corn, soybean meal (SBM), dried distillers grains with solubles (DDGS)), 5 porcine...

Global Trends in Antimicrobial Use in Food Animals
July 1, 2015 —  [Abs.]
Demand for animal protein for human consumption is rising globally at an unprecedented rate. Modern animal production practices are associated with regular use of antimicrobials, potentially...

Diagnostic Accuracy of Porcine Acute Phase Proteins in Meat Juice for Detecting Disease at Abattoir
July 1, 2015 —  [Abs.]
The aim of this work was to evaluate whether acute phase protein (APP) determinations could assist Official Veterinarians carrying out work in slaughterhouses. To test this hypothesis, the diagnostic...

Association between Influenza A Virus Infection and Pigs Subpopulations in Endemically Infected Breeding Herds
June 26, 2015 —  [Abs.]
Influenza A viruses (IAVs) are distributed worldwide in birds, pigs and humans, and cause important endemic disease affecting hosts in all countries. Although pigs play a key role in the ecology of...

Lessons Learned and Knowledge Gaps about the Epidemiology and Control of Porcine Reproductive and Respiratory Syndrome Virus in North America
June 21, 2015 —  [Abs.]
The purpose of the information reported here is to describe the current state of knowledge about control and epidemiology of PRRS. Information on aspects related to molecular epidemiology, within...

Effects of Disinfection on the Molecular Detection of Porcine Epidemic Diarrhea Virus
June 17, 2015 —  [Abs.]
Routine detection of porcine epidemic diarrhea virus (PEDV) is currently limited to RT-PCR but this test cannot distinguish between viable and inactivated virus. We evaluated the capability of...

Oral Fluid Testing for Efficient PEDV Surveillance and Control
June 10, 2015 —  [Abs.]
The project was to determine if oral fluids can be a convenient sample option to detect PEDV and/or virus-specific antibody, and assess its utility for on-farm testing and monitoring. The study was...

Pig Farmers' Perceptions, Attitudes, Influences and Management of Information in the Decision-Making Process for Disease Control
May 27, 2015 —  [Abs.]
The objectives of this study were (1) to explore the factors involved in the decision-making process used by pig farmers for disease control and (2) to investigate pig farmers' attitudes and...

Cell Culture Isolation and Sequence Analysis of Genetically Diverse US Porcine Epidemic Diarrhea Virus Strains including a Novel Strain with a Large Deletion in the Spike Gene
May 27, 2015 —  [Abs.]
The highly contagious and deadly porcine epidemic diarrhea virus (PEDV) first appeared in the US in April 2013. Since then the virus has spread rapidly nationwide and to Canada and Mexico causing...

A Comparison between Lesions Found during Meat Inspection of Finishing Pigs Raised under Organic/Free-Range Conditions and Conventional, Indoor Conditions
May 27, 2015 —  [Abs.]
It is often argued that pigs raised under less intensive production conditions – such as organic or free-range – have a higher level of animal welfare compared with conventionally raised pigs. To...

A Novel Pathogenic Mammalian Orthoreovirus from Diarrheic Pigs and Swine Blood Meal in the United States
May 20, 2015 —  [Abs.]
Since May 2013, outbreaks of porcine epidemic diarrhea have devastated the U.S. swine industry, causing immense economic losses. Two different swine enteric coronaviruses (porcine epidemic diarrhea...

Inactivated and Subunit Vaccines against Porcine Reproductive and Respiratory Syndrome: Current Status and Future Direction
May 20, 2015 —  [Abs.]
Within a few years of its emergence in the late 1980s, the PRRS virus had spread globally to become the foremost infectious disease concern for the pork industry. Since 1994, modified live-attenuated...

Evaluation of Porcine Epidemic Diarrhea Virus Transmission and the Immune Response in Growing Pigs
May 6, 2015 —  [Abs.]
Clinical disease associated with porcine epidemic diarrhea virus (PEDV) infection in naïve pigs is well chronicled; however, information on endemic PEDV infection is limited. To characterize...

A Systematic Review of Occupational Exposure to Hydrogen Sulfide in Livestock Operations
May 6, 2015 —  [Abs.]
This systematic review summarizes the current state of knowledge in hydrogen sulfide (H2S) concentrations within intensive livestock operations. The review was undertaken to better understand H2S...

Control of a Reassortant Pandemic 2009 H1N1 Influenza Virus Outbreak in an Intensive Swine Breeding Farm: Effect of Vaccination and Enhanced Farm Management Practices
May 6, 2015 —  [Abs.]
Influenza A viruses in swine cause considerable economic losses and raise concerns about their zoonotic potential. The current paucity of thorough empirical assessments of influenza A virus infection...

Reverse Zoonosis of Influenza to Swine: New Perspectives on the Human–Animal Interface
April 22, 2015 —  [Abs.]
SummaryHumans transmit far more influenza viruses to swine than swine transmit to humans.Human-to-swine transmission is key to the evolution of influenza diversity in swine.In effect, humans sow the...

The Inability to Screen Exhibition Swine for Influenza A Virus Using Body Temperature
April 22, 2015 —  [Abs.]
Agricultural fairs create an unconventional animal-human interface that has been associated with swine-to-human transmission of influenza A virus (IAV) in recent years. Early detection of...

Optimal Use of Vaccines for Control of Influenza A Virus in Swine
April 22, 2015 —  [Abs.]
Influenza A virus in swine (IAV-S) is one of the most important infectious disease agents of swine in North America. In addition to the economic burden of IAV-S to the swine industry, the zoonotic...

Are Pharmacological Interventions between Conception and Birth Effective in Improving Reproductive Outcomes in North American Swine?
April 15, 2015 —  [Abs.]
The objective of this review is to evaluate the effectiveness of using pharmacological compounds on reproductive outcomes, particularly litter size, in North American swine. While the opportunity to...

Porcine Epidemic Diarrhea Virus Infection: Etiology, Epidemiology, Pathogenesis and Immunoprophylaxis
April 8, 2015 —  [Abs.]
Porcine epidemic diarrhea virus (PEDV), a member of the genera Alphacoronavirus in the family Coronaviridae, causes acute diarrhea/vomiting, dehydration and high mortality in seronegative neonatal...

Global Migration of Influenza A Viruses in Swine
April 1, 2015 —  [Abs.]
The complex and unresolved evolutionary origins of the 2009 H1N1 influenza pandemic exposed major gaps in our knowledge of the global spatial ecology and evolution of influenza A viruses in swine...

Infection of Farmed Pigs with Porcine Kobuviruses in Italy
April 1, 2015 —  [Abs.]
Two-hundred eight swine fecal samples from six Italian farms were tested using a kobuvirus-specific RT-PCR with primers that amplify a region within the 3D gene. All farms were kobuvirus positive,...

Isolation and Characterization of Porcine Deltacoronavirus from Pigs with Diarrhea in the United States
March 18, 2015 —  [Abs.]
Porcine deltacoronavirus (PDCoV) is a novel coronavirus that causes diarrhea in nursing piglets. Following its first detection in the United States (US) in February 2014, additional PDCoV strains...

The complete archive, including older stories, is here

Category abbreviations: AASV=Membership information, announcements, and other information from the American Association of Swine Veterinarians; Abs.=Abstracts from journal articles of general interest to swine veterinarians.; ALERT=Used to create email alerts; An.H.=Animal Health; Conf.=Conference announcements and other continuing education opportunities; FAD="Foreign" Animal Disease and other news most significant to regions outside of North America.; Food=Food Safety; Gov.=Information about legislation, regulations, and rulemaking that may affect the swine industry or swine veterinarians.; Hum.H.=Human health; Ind.=News from the pork industry, including NPPC and Pork Board activities.; International=Information regarding swine health and production internationally.; Jobs=Position announcements, primarily seeking swine veterinarians.; Meet=Provides a short synopsis of meetings of importance to swine veterinarians.; News=Agriculture related news events.; Nutr.=Swine nutrition; OP-ED=Opinion or editorial articles expressing the thoughts of individual Association members.; Pharm.=Pharmaceuticals and biologicals; PRRS=Articles from the AASV PRRS Task Force; Practice=Information associated with practice management or development.; Research=Research topics of interest to swine veterinarians.; Students=Information of interest to AASV student members.; USDA=US Dept. of Agriculture activities of interest to swine veterinarians.; Welfare=Animal welfare issues