Neonatal foal death due to infection with equine arteritis virus in BelgiumReportar como inadecuado

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(2009)VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT.78(3).p.189-193 Mark abstract This case report describes a small outbreak of neonatal foal death in Belgium due to infection with equine arteritis virus (EAV). The outbreak started with one foal suffering from acute dyspnea four days after birth. Despite intensive treatment, this foal died within a few hours. Three weeks later, another foal was born on the same farm in a healthy condition, although placental edema was found. At the age of 10 days, the foal showed acute respiratory distress and severe dyspnea and died shortly after. Post-mortem examination of both foals revealed consolidated diaphragmatic lung lobes with compensatory emphysema. Histologic lesions consisted of a mild acute interstitial pneumonia. Microscopic examination of the allantochorion from the second foal showed a focal necrotizing vasculitis, and immunolabeling demonstrated the presence of EAV antigens in chorionic vascular endothelial cells and macrophages. Upon inoculation of rabbit kidney (RK13) cell culture with a suspension of lung tissue, a cytopathic effect was observed. The agent was identified as equine arteritis virus by means of immunostainings.

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Autor: Annick Gryspeerdt , Koen Chiers , Jan Govaere , Griet Vercauteren , Richard Ducatelle , Gerlinde Van de Walle and Hans Nauwynck



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