Fatal outbreak of systemic pasteurellosis in a wild boar (Sus scrofa) population from southwest Spain
2013
Risco, David | Fernández-Llario, Pedro | Cuesta, Jesús M. | García-Jiménez, Waldo L. | Gil de la Serna, María | Gonçalves, Pilar | Martínez, Remigio | Gómez, Luis | García, Alfredo | Rey, Joaquín | Hermoso de Mendoza, Miguel | Hermoso de Mendoza, Javier
Pasteurella multocida is a common pathogen of swine that causes specific diseases with great economic impact. However, the importance of this pathogen in wild boar is still unknown. In the current work, an outbreak of systemic pasteurellosis in wild boar with a high mortality rate is described. A total of 23 wild boar of all ages were found dead over a 5-day period on a game estate in southwest Spain (11.11% mortality). Three animals were necropsied and showed subcutaneous edema, a generalized congestion, and fibrin deposits in the peritoneal cavity. Hemorrhages, general congestion, and intravascular thrombosis were microscopically observed. Pasteurella multocida type B was isolated from all of the studied organs. Outbreaks of systemic pasteurellosis have been described in domestic pigs from Asia and Australia, but not to date in Europe. This outbreak suggests that systemic pasteurellosis affecting wild boar populations may be an important cause of mortality.
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