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New Project to Improve Erysipelas Disease Knowledge in Pigs

01 June 2016

DENMARK - A new project (EryPoP) at the Danish Centre for Food and Agriculture is aiming to look into Erysipelas infection in pigs and chickens.

Erysipelas is a severe infectious disease caused by the bacterium Erysipelothrix rhusiopathiae.

The disease is well-known, but basic knowledge particularly on the infection in chickens, is lacking. The new project will provide novel information that will enable scientifically based guidelines to prevent future erysipelas outbreaks.

Following the change in housing for laying hens in Europe, erysipelas has become an emerging disease in several countries, with outbreaks of high mortality in layer flocks in indoor aviaries and free-range/organic production.

Erysipelas is a well-known acute disease in pigs and a suspected cause of arthritis and considerable economic losses in organic pigs. Erysipelas is difficult to prevent in the growing sector of animal friendly production systems for pigs and poultry. Moreover, E. rhusiopathiae infections constitute an occupational hazard for humans (zoonosis).

Although a well-known disease, vital basic knowledge, particularly on the infection in chickens, is lacking. Hence, in this project (EryPoP) the epidemiology, infection dynamics and immunity development in poultry and pigs will be addressed in the field and by experimental infections through a multi-disciplinary and transnational approach and cooperation.

The project has five main subtasks:

  • to define transmission routes of E. rhusiopathiae by use of molecular epidemiology,
  • to identify risk factors for outbreaks;
  • to define the role of wild boars as potential reservoirs and sources of infection;
  • to establish an assay to detect antibodies to E. rhusiopathiae in chickens;
  • to study the pathogenesis and immune responses to E. rhusiopathiae infections in chickens.

Samples and metadata for analysis will be collected from poultry, domestic pigs and wild boars in Sweden and Italy.

A model for experimental infections in chickens will be established and used in studies of chicken immune responses to E. rhusiopathiae.

These studies will provide information that will be vital in development of diagnostic methods and improvement of future prophylactic measures such as vaccines.

ThePigSite News Desk

Top image via Shutterstock



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