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Vaccination
Management
Disease Information
A PMWS update (Jake Waddilove)
ABOUT PMWS & PDNS
National Pork Board PMWS Fact Sheet
About PDNS (Jake Waddilive)
CEI Emerging Disease Notices: PMWS / PDNS
Conference and meetings archive
Case Histories
Yorkshire Farm, UK - Mike Muirhead - Final Update, June 2002
Mike Muirhead's case history of a Yorkshire farm with PMWS and PDNS.
East Anglia Farm, UK - Philip Richardson
This paper charts the course and effects of the disease on a single herd as well as highlighting the economic impact.
Photographs
Clinical signs
Photos of the clinical signs that are seen generally in pigs with PMWS and PDNS. Includes skin lesions, enlarged lymph glands, wasting and dead pigs.
Post mortem (1)
Photos of the signs that are seen in post-mortem samples of pigs with PMWS and PDNS. Includes interstitial pneumonia, secondary bacterial infection, enlarged lymph nodes, oedema and intra cytoplasmic inclusions
Post mortem (2)
More Photos of the signs that are seen in post-mortem samples of pigs with PMWS and PDNS.


PMWS Research Archives

Published Thursday, December 15, 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) and 2 (TTSuV2), have been recently associated to porcine circovirus diseases (PCVD). To get more insights into such potential disease association, the aim of this study was to quantify TTSuV1 and TTSuV2 viral loads in serum of pigs affected by two PCVDs, postweaning multisystemic wasting syndrome (PMWS) and porcine dermatitis and nephropathy syndrome (PDNS). Such study was carried out by means of a newly developed real-time quantitative PCR (qPCR) method. Both TTSuVs were highly prevalent among studied pigs. TTSuV2 viral loads were significantly higher in PMWS affected animals, further supporting the previously suggested association between TTSuV2 and PMWS. On the contrary, TTSuV1 prevalence and loads were not related with the studied PCVDs.

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