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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 Saturday, January 14, 2012: Vaccine. 2012 Jan 14. [Epub ahead of print]
Inactivated PCV2 One Shot Vaccine Applied in 3-week-old Piglets: Improvement of Production Parameters and Interaction with Maternally Derived Immunity.
Fraile L, Grau-Roma L, Sarasola P, Sinovas N, Nofrarías M, López-Jimenez R, López-Soria S, Sibila M, Segalés J.
The present study describes the effects of a commercially available vaccine against Porcine circovirus type 2 (PCV2) on clinical, pathological and virological outcomes of 3-week-old piglets from two farms with a clinical history of postweaning multisystemic wasting syndrome (PMWS). The study was a controlled, double-blinded, parallel group (1:1) and randomized trial (with a negative control) involving a total of 1239 animals. The study period comprised from weaning age (time of vaccination or PBS inoculation) until the first shipment of pigs to the slaughterhouse. The vaccine product was able to reduce clinical signs, PCV2 viral load in sera and faeces, and overall mortality in nurseries and fattening units. Moreover, average daily gain was significantly higher in vaccinated versus non-vaccinated piglets during the trial period. On the other hand, it was shown that maternally derived antibodies interfered with the development of an active humoral immune response after PCV2 vaccination.

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