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PMWS Research Archives

Published Jan 2012: Virus Research, Volume 163, Issue 1, January 2012, Pages 320-327
Tripping over Emerging Pathogens Around the World: A Phylogeographical Approach for Determining the Epidemiology of Porcine Circovirus-2 (PCV-2), Considering Global Trading
Pedro M.P. Vidigal, Claudio L. Mafra, Fernanda M.F. Silva, Juliana L.R. Fietto, Abelardo Silva Júnior, Márcia R. Almeida
Porcine circovirus-2 (PCV-2) is an emerging virus associated with a number of different syndromes in pigs known as Porcine Circovirus Associated Diseases (PCVAD). Since its identification and characterization in the early 1990s, PCV-2 has achieved a worldwide...

Published Dec 2011: Pig Journal Volume: 66
Unusual Manifestation of Porcine Circovirus-Associated Disease (PCVAD) among Vaccinated Grower Finisher Pigs With Isolation of PCV2 from Tissues
B.W. Strugnell, M.E.C.White, R.J. Higgins, G. Ibata, S. Grierson, M. Banks
Vaccines against Porcine Circovirus type 2 (PCV2) have recently become available in the UK and have changed the landscape of Porcine Circovirus Associated Disease (PCVAD), resulting in significant improvements in growing pig performance,mortality rates...

Published Dec 2011: Pig Journal Volume: 66
PMWS and PCV2 Associated Diseases: Historical Progress and a Reflection about Disease Emergence in Pigs
F. Madec
Post-weaning Multisystemic Wasting Syndrome (PMWS) was first described in 1996 in North America, and soon spread worldwide. The pig industry and scientific community witnessed the devastating consequences with dismay. Intensive research was carried out...

Published Dec 2011: BMC Veterinary Research 2011, 7:82 (30 December 2011)
BPEX Pig Health Scheme: A Useful Monitoring System for Respiratory Disease Control in Pig Farms?
Hannah R Holt, Pablo Alarcon, Martina Velasova, Dirk U Pfeiffer and Barbara Wieland
Background Respiratory diseases account for significant economic losses to the UK pig industry. Lesions indicative of respiratory disease in pig lungs at slaughter e.g. pneumonia and pleuritis are frequently recorded to assess herd health or provide...

Published Dec 2011: Veterinary Microbiology Volume 154, Issues 1-2, 29 December 2011, Pages 104-112
Porcine Circovirus Type 2 Potentiates Morbidity of Salmonella enterica serovar Choleraesuis in Cesarean-Derived, Colostrum-Deprived Pigs
A. Takada-Iwao, M. Nakanishi, J. Souma, S. Chikata, Y. Okuda, Y. Imai and S. Sato
Problem addressed Porcine circovirus type 2 (PCV2) and Salmonella enterica subspecies enterica serovar Choleraesuis (S. Choleraesuis) are two leading causes of economic loss in the swine industry. Although S. Choleraesuis infection occurs concurrently...

Published Dec 2011: Veterinary Microbiology Volume 154, Issues 1-2, 29 December 2011, Pages 185-190
Leukogram Abnormalities in Gnotobiotic Pigs Infected with Porcine Circovirus Type 2
P.C. Gaugera, K.M. Lagera, A.L. Vincent, T. Opriessnig, A.K. Cheung, J.E. Butler and M.E. Kehrli Jr
Porcine circovirus type 2 (PCV2) is a single-stranded circular DNA virus that is the causative agent of porcine circovirus associated disease (PCVAD), a disease complex affecting swine around the world. Although this virus is believed to negatively affect...

Published Dec 2011: Veterinary Microbiology Volume 153, Issues 3-4, 15 December 2011, Pages 229-239
Postweaning Multisystemic Wasting Syndrome Produced in Gnotobiotic Pigs Following Exposure to Various Amounts of Porcine Circovirus Type 2a or Type 2b
P.C. Gauger, K.M. Lager, A.L. Vincent, T. Opriessnig, M.E. Kehrli Jr and A.K. Cheung
In late 2005, a postweaning, high mortality syndrome spread rapidly through finishing barns in swine dense areas of the United States. Diagnostic investigations consistently detected porcine circovirus type 2 (PCV2) from diseased tissues. Subsequent genetic...

Published Dec 2011: Veterinary Microbiology Volume 153, Issues 3-4, 15 December 2011, Pages 377-381
Torque Teno Sus Virus 1 and 2 Viral Loads in Postweaning Multisystemic Wasting Syndrome (PMWS) and Porcine Dermatitis and Nephropathy Syndrome (PDNS) Affected Pigs
M. Aramouni, J. Segalés, M. Sibila, G.E. Martin-Valls, D. Nieto and T. Kekarainen
Torque teno viruses (TTV) are small, non-enveloped viruses with a circular single-stranded DNA genome, which are considered non-pathogenic. However, TTVs have been eventually linked to human diseases. TTVs infecting pigs, Torque teno sus virus 1 (TTSuV1)...

Published Dec 2011: Virology Journal 2011, 8:543
Prevalence of Porcine Circovirus-like Agent P1 in Jiangsu, China
Libin Wen, Kongwang He, Hanchun Yang, Zhengyu Yu, Aihua Mao, Shulin Zhong, Yanxiu Ni, Xuehan Zhang, Bin Li, Xiaomin Wang, Junming Zhou, Rongli Guo, Lixin Lv and Jieyuan Jiang
Recently, we identified a novel porcine circovirus type 2-like agent P1 isolate from swine. The present study represents the first survey of P1 prevalence in swine herds from Jiangsu, China, by using PCR targeting the complete genome of P1. Prevalences...

Published Dec 2011: Virus Res. 2011 Dec 9. [Epub ahead of print]
Immunology of Porcine Circovirus Type 2 (PCV2).
Darwich L, Mateu E.
The emergence of porcine circovirus type 2 (PCV2) associated diseases and particularly postweaning multisystemic wasting syndrome (PMWS) was a shock for the swine industry and formulated a considerable challenge for researchers in the area of viral immunology...

Published Dec 2011: Virus Genes, Volume 43, Number 3, December 2011 , pp. 376-379(4)
Genetic Detection and Analysis of Porcine Bocavirus Type 1 (PoBoV1) in European Wild Boar (Sus scrofa)
Cadar, Dániel; Cságola, Attila; Lorincz, Márta; Tombácz, Kata; Kiss, Timea; Spînu, Marina; Tuboly, Tamás
Novel porcine parvoviruses showing the genetic characteristics of bocaviruses have recently been identified. The first such porcine bocavirus (PoBoV1), described as boca-like virus (PBo-likeV), was discovered in PMWS affected pigs in Sweden. Later, several...

Published Dec 2011: Acta Vet Hung. 2011 Dec;59(4):511-20.
Profiles of Seroconversion to Porcine Circovirus Type 2 in Herds Affected and not Affected by Postweaning Multisystemic Wasting Syndrome.
Podgórska K, Stadejek T.
The aim of the present study was to explore the usefulness of serological methods in the diagnosis of postweaning multisystemic wasting syndrome (PMWS). The study was carried out in 4 PMWS-affected and 6 control farms. Based on the serological profiles,...

Published Dec 2011: Acta Virol. 2011;55(3):267-71.
Prevalence of Porcine Crcovirus 2 Infection in Pig Population in Slovakia.
Csank T, Pistl J, Polláková J, Holoda E, Harvan M.
The prevalence of porcine circovirus 2 (PCV-2) infection in the pig population in Slovakia was investigated. Sera from pigs suspected for post-weaning multisystemic wasting syndrome (PMWS) as well as clinically healthy pigs were tested for viral DNA and...

Published Dec 2011: Vet Microbiol. 2011 Dec 2. [Epub ahead of print]
Lack of Effect of Piglet Vaccination Against Porcine Circovirus Type 2 (PCV2) on Serum Viral Loads of Torque Teno Sus Virus 2 (TTSuV2).
Nieto D, Aramouni M, Sibila M, Fraile L, Kekarainen T, Segalés J.
Anelloviruses are small, non-enveloped viruses with circular single stranded DNA, which infect a number of animal species as well as humans. In pigs, two distinct Torque teno sus virus (TTSuV) species have been described so far, being one of them linked...

Published Dec 2011: Veterinary Research 2011, 42:115
Porcine Circovirus Type 2 (PCV2) Infection Decreases the Efficacy of an Attenuated Classical Swine Fever Virus (CSFV) Vaccine
Yu-Liang Huang, Victor Fei Pang, Chun-Ming Lin, Yi-Chieh Tsai, Mi-Yuan Chia, Ming-Chung Deng, Chia-Yi Chang and Chian-Ren Jeng
The Lapinized Philippines Coronel (LPC) vaccine, an attenuated strain of classical swine fever virus (CSFV), is an important tool for the prevention and control of CSFV infection and is widely and routinely used in most CSF endemic areas, including Taiwan....

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