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

Risk Factors Associated with Persistence of Salmonella Shedding in Finishing Pigs
July 10, 2014 —  [Abs.]
The objective of this study was to identify risk factors associated with persistence of Salmonella shedding in finishing swine. A longitudinal study was conducted in 18 cohorts of pigs from three...

An Investigation of Ear Necrosis in Pigs
July 8, 2014 —  [Abs.]
Porcine ear necrosis was investigated in 23 conveniently chosen farms, consisting of 14 case farms and 9 control farms. Biopsies of lesions and oral swabs from pigs on 11 case farms were examined by...

Characterization of Influenza A Outbreaks in Minnesota Swine Herds and Measures Taken to Reduce the Risk of Zoonotic Transmission
July 7, 2014 —  [Abs.]
Influenza A virus infections commonly cause respiratory disease in swine and can be transmitted between people and pigs, with potentially novel strains introduced into herds and spilling back into...

Introductions and Evolution of Human-Origin Seasonal Influenza A Viruses in Multinational Swine Populations
June 27, 2014 —  [Abs.]
The capacity of influenza A viruses to cross species barriers presents a continual threat to human and animal health. Knowledge of the human-swine interface is particularly important for...

Multiple Routes of Porcine Circovirus Type 2 Transmission to Piglets in the Presence of Maternal Immunity
June 26, 2014 —  [Abs.]
Porcine circovirus 2 (PCV2), the cause of porcine circovirus-associated disease (PCVAD), is widespread in swine farms throughout the United States with vaccine controlling disease, but not...

Molecular Detection of Porcine Torovirus in Piglets with Diarrhea in Southwest China
June 23, 2014 —  [Abs.]
Porcine torovirus (PToV) was detected from intestinal samples of piglets with diarrhea from 20 farms in southwest China. The total prevalence of PToV was 45% (9 out of 20 farms); it was the first...

Energy and Nutrient Deposition and Excretion in the Reproducing Sow: Model Development and Evaluation
June 4, 2014 —  [Abs.]
Air and nutrient emissions from swine operations raise environmental concerns. During the reproduction phase, sows consume and excrete large quantities of nutrients. The objective of this study was...

Potential Use of Oral Fluid Samples for Serological Diagnosis of African Swine Fever
June 4, 2014 —  [Abs.]
African swine fever (ASF) is a complex, highly lethal, notifiable disease of swine. ASF is wide-spread in sub-Saharan Africa and East European countries and there is presently a great risk of spread...

Failure to Infect Pigs Co-Housed with Ducks or Chickens Infected Experimentally with A/turkey/Turkey/1/2005 (H5N1) Highly Pathogenic Avian Influenza Virus
June 4, 2014 —  [Abs.]
To simulate a field situation in which pigs are in close contact with poultry and thus provide a potential mixing vessel for avian, swine and human influenza viruses, uninfected pigs were placed in...

Colostrum Yield and Piglet Growth During Lactation are Related to Gilt Metabolic and Hepatic Status Prepartum
May 21, 2014 —  [Abs.]
It was hypothesized that colostrum production could be influenced by sow peripartum endocrine, metabolic, and hepatic status. The plant extract silymarin was shown to influence endocrine and hepatic...

Validation of a Real Time PCR for Classical Swine Fever Diagnosis
May 14, 2014 —  [Abs.]
The viral disease classical swine fever (CSF), caused by a Pestivirus, is one of the major causes of economic losses for pig farming. The aim of this work was to validate a RT-qPCR using Taqman for...

Full-Length Genome Sequence of Porcine Deltacoronavirus Strain USA/IA/2014/8734
May 7, 2014 —  [Abs.]
Porcine deltacoronavirus (PDCoV) was detected in feces from diarrheic sows during an epidemic of acute and transmissible diarrhea. No transmissible gastroenteritis virus or porcine epidemic diarrhea...

Genetic and Phenotypic Parameters for Carcass and Meat Quality Traits in Commercial Crossbred Pigs
April 30, 2014 —  [Abs.]
Pork quality and carcass characteristics are now being integrated into swine breeding objectives because of their economic value. Understanding the genetic basis for these traits is necessary for...

Influenza A Subtype H3 Viruses in Feral Swine, United States, 2011-2012
April 30, 2014 —  [Abs.]
To determine whether, and to what extent, influenza A subtype H3 viruses were present in feral swine in the United States, USDA conducted serologic and virologic surveillance during October...

Interactive Effects of Distillers Dried Grains with Solubles and Housing System on Reproductive Performance and Longevity of Sows Over Three Reproductive Cycles
April 23, 2014 —  [Abs.]
An experiment was conducted to evaluate the interactive effects of dietary distillers dried grains with solubles (DDGS) in sow diets and housing systems on reproductive performance and longevity....

Comparison of Organic and Inorganic Zinc Sources to Maximize Growth and Meet the Zinc Needs of the Nursery Pig
April 23, 2014 —  [Abs.]
Zinc is the trace element involved in more biological functions than any other micromineral in the nutrition of the newly weaned pig. Its role in growth via protein synthesis and antioxidant defense...

Detection and Genetic Analysis of Porcine Bocavirus in Different Swine Herds in North Central China
April 9, 2014 —  [Abs.]
Porcine Bocavirus (PBoV) has been reported to be associated with postweaning multisystemic wasting syndrome and pneumonia in pigs. In this study, a survey was conducted to evaluate the prevalence of...

Impact of Ractopamine Hydrochloride on Growth, Efficiency, and Carcass Traits of Finishing Pigs in a Three-Phase Marketing Strategy
April 2, 2014 —  [Abs.]
The objectives were to determine the effects of ractopamine hydrochloride (RAC) in a 3-phase marketing strategy. One thousand seven hundred forty pigs were used in 80 single-sex pens in 2 blocks....

Effect of Cross-Fostering and Oral Supplementation with Colostrums on Performance of Newborn Piglets
April 2, 2014 —  [Abs.]
The aim of the experiment was to study the effect on litter performance of two oral supplementation strategies on piglets born weighing 1.35 kg or less (SP; CON: no oral supplementation; COL:...

Effect of Day of Mixing Gestating Sows on Measures of Reproductive Performance and Animal Welfare
February 26, 2014 —  [Abs.]
Effects of day of mixing sows after breeding were measured for reproduction and welfare on a commercial research farm. Sows (n = 1,436) were weaned into stalls for breeding, and groups of sows were...

Space Allowance and High Fiber Diet Impact Performance and Behavior of Group-Kept Gestating Sows
February 19, 2014 —  [Abs.]
Identifying and optimizing housing and management systems that improve the well-being of the gestating sow is essential to sustaining animal agriculture. Therefore, the impact of 2 floor-space...

Practical Starter Pig Amino Acid Requirements in Relation to Immunity, Gut Health and Growth Performance
February 19, 2014 —  [Abs.]
Immune system activation begins a host of physiological responses. Infectious agents are recognized by monocytes and macrophages which in turn stimulate cytokine production. It is the hormone-like...

Absence of Tetracycline Resistance in Campylobacter coli Isolates from Finnish Finishing Pigs Treated with Chlortetracycline
February 19, 2014 —  [Abs.]
To determine whether therapeutic treatment of pigs with chlortetracycline affects the susceptibility of their Campylobacter isolates for tetracycline, ciprofloxacin and erythromycin. METHODS AND...

Effect of Enrofloxacin in the Carrier Stage of Haemophilus parasuis in Naturally Colonized Pigs
February 4, 2014 —  [Abs.]
The purpose of this study was to determine the effect of enrofloxacin in the carrier stage of Haemophilus parasuis in naturally colonized weaned pigs. Twenty-three pigs colonized by H. parasuis...

Establishment of the 2012 Vitamin D Requirements in Swine with Focus on Dietary Forms and Levels of Vitamin D
January 22, 2014 —  [Abs.]
In swine nutrition, little is known about vitamin requirements for reproductive processes and bone health, especially vitamin D. Supplemental vitamin D is usually added to animal feed as...

Antimicrobial Resistance and Prudent Drug Use for Streptococcus suis
January 22, 2014 —  [Abs.]
This paper reviews information on antimicrobial resistance patterns and prudent use of antimicrobials to reduce the impact and spread of resistant Streptococcus suis strains. S. suis is an important...

PRRS Corner: Variation among Sows in Response to Porcine Reproductive and Respiratory Syndrome
January 22, 2014 —  [Abs.]
Porcine reproductive and respiratory syndrome (PRRS) is a viral disease with negative impacts on reproduction of sows. Genetic selection to improve the response of sows to PRRS could be an approach...

Effects of Lowering Dietary Fiber Prior to Marketing on Finishing Pig Growth Performance, Carcass Characteristics, Carcass Fat Quality, and Intestinal Weights
January 13, 2014 —  [Abs.]
A total of 264 pigs (initially 41.0 kg BW) were used in a 90-d study to determine the effects of lowering dietary fiber prior to market on pigs fed high dietary fiber [provided by wheat middlings...

Management Factors Associated with Sow Reproductive Performance after Weaning
January 1, 2014 —  [Abs.]
To achieve optimal reproductive performance in pig herds, sows need to become pregnant as soon as possible after weaning. The aim of this study was to investigate herd and management factors...

Porcine Circovirus Type 2 Decreases the Infection and Replication of Attenuated Classical Swine Fever Virus in Porcine Alveolar Macrophages
January 1, 2014 —  [Abs.]
Recently, it has been noted that porcine circovirus type 2 (PCV2) infection adversely affects the protective efficacy of Lapinized Philippines Coronel (LPC) vaccine, an attenuated strain of classical...

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