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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, May 06, 2011: Veterinary Immunology and Immunopathology, In Press, Accepted Manuscript
Intestinal Gene Expression in Pigs Experimentally Co-Infected with PCV2 and PPV
M. Andersson, V. Ahlberg, M. Jensen-Waern, C. Fossum
The objective of the present study was to characterize the local immune reaction in the intestine of pigs experimentally infected with PCV2 and PPV. Archived intestinal material from an experimental study in which pigs were co-infected with a Swedish isolate of PCV2 (S-PCV2) and PPV, or a reference isolate of PCV2 (PCV2-1010) and PPV, were used. The intestinal samples were analysed by qPCR for expression of a number of selected cytokines and the overall gene expression in the intestine was screened by cDNA microarray. Analyses by qPCR showed that pigs infected with PCV2-1010/PPV displayed a significantly increased mRNA expression for IL-6 (p<0.05), IL-10 (p<0.05) and IFN-γ (p<0.05). The microarray screening revealed a strong up-regulation of IFITM3 along with several other interferon-stimulated genes (ISGs) in pigs infected with PCV2/PPV. The analyses also indicated differences between the two isolates. Fewer pigs infected with S-PCV2/PPV expressed the cytokines detected by qPCR, compared to pigs infected with PCV2-1010/PPV, and pigs infected with S-PCV2/PPV displayed a higher proportion of down-regulated genes than PCV2-1010/PPV-infected pigs.

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