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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 Friday, October 01, 2004: Veterinary Record, 2004, Volume 155, Nš16, 489-492
Prevalence of porcine circovirus type 2 in aborted fetuses and stillborn piglets.
KIM J, JUNG K, CHAE, C
The 350 aborted fetuses and stillborn piglets included in this study originated from farms in which neither PMWS or PDNS were observed. A screening for the presence of porcine parvovirus (PPV), porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2(PCV2) was carried out. PPV was detected in 90 cases, PRRSV in 12 cases and PCV2 in 35 cases. In addition, PPV and PCV2 co-infection was observed in 9 cases and PRRSV and PCV2 co-infection in 2 cases. The overall percentage of fetuses and piglets positive for PCV2 by PCR was thus 13.1% (46/350). Immunohistochemistry and in situ hybridization revealed the presence of viral antigen and viral DNA in lungs, thymus, liver, lymph nodes and spleen, but not in the heart. Lymph nodes and spleen are the organs recommended by the authors for the detection of PCV2 in fetuses. The precise role of PCV2 as a causal agent for reproductive failure should be further investigated.

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