Outbreak of Swine Erysipelas in a Semi-Intensive Wild Boar Farm in Spain

D. Risco, P. F. Llario, R. Velarde, W. L. García, J. M. Benítez, A. García, F. Bermejo, M. Cortés, J. Rey, J. H. De Mendoza, L. Gómez

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17 Citations (Scopus)


Swine erysipelas (SE) is a disease caused by the bacterium Erysipelothrix rhusiopathiae and is one of the best-known and most serious diseases affecting domestic pigs. However, few studies exist concerning the susceptibility of wild boars to this disease and the role of this species as a reservoir. This study investigates and describes an outbreak of SE that occurred on a semi-intensive wild boar breeding farm housing 40 boars in Extremadura (SW Spain) on 11-18 February 2010. Seven animals died, of which four were examined post-mortem. Of these, three (two females and one male) were approximately 3months old, and one was 1year old (male). Lesions were consistent with acute septicaemia, consisting of cutaneous erythema/cyanosis and petechial haemorrhages in kidneys, urinary bladder, lungs and meninges. The 1-year-old male also had proliferative polyarthritis. Histopathology confirmed the presence of disseminated intravascular coagulation and vasculitis. Additionally, a bilateral acute panuveitis with concurrent necrotizing vasculitis and diffuse corneal oedema, neither of which have been described before in this disease, were found in the 3-month-old male boar. E. rhusiopathiae was isolated from all four animals in pure cultures from several tissues. Of these four animals, antibodies against E. rhusiopathiae, using an indirect ELISA test, were only detected in the 1-year-old male boar with polyarthritis. Posteriorly, of nine live adults tested for antibodies, four (including an adult male with polyarthritis) were positive. © 2011 Blackwell Verlag GmbH.
Original languageEnglish
Pages (from-to)445-450
JournalTransboundary and Emerging Diseases
Issue number5
Publication statusPublished - 1 Oct 2011


  • Erysipelothrix rhusiopathiae
  • Panuveitis
  • Swine erysipelas
  • Vasculitis
  • Wild boar


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