Malignant catarrhal fever-like lesions associated with ovine herpesvirus-2 infection in young calves (Bos indicus): a case report

Infection of susceptible ruminants, including domestic cattle (Bos taurus) and American bison (Bison bison), with ovine herpesvirus-2 (OvHV-2) may provoke the fatal vasculitis and lymphoproliferative syndrome, known as malignant catarrhal fever (MCF), reported worldwide. To the best of our knowledge...

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Bibliographic Details
Published in:The journal of venomous animals and toxins including tropical diseases 2010, Vol.16 (1), p.178-185
Main Authors: Luvizotto, MCR(Univ. Estado de São Paulo School of Veterinary Medicine Laboratory of Animal Pathology and Virology), Ferrari, HF(Univ. Estado de São Paulo School of Veterinary Medicine Laboratory of Animal Pathology and Virology), Cardoso, TC(Univ. Estado de São Paulo School of Veterinary Medicine Laboratory of Animal Pathology and Virology)
Format: Article
Language:English
Subjects:
cattle
malignant catarrhal fever (MCF)
meningoencephalitis
ovine herpesvirus-2
TOXICOLOGY
TROPICAL MEDICINE
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Summary:Infection of susceptible ruminants, including domestic cattle (Bos taurus) and American bison (Bison bison), with ovine herpesvirus-2 (OvHV-2) may provoke the fatal vasculitis and lymphoproliferative syndrome, known as malignant catarrhal fever (MCF), reported worldwide. To the best of our knowledge, this is the first report of a clinical case of MCF-like lesions associated with ovine herpesvirus-2 (OvHV-2) infection in young calves (Bos indicus) including central nervous symptoms that occurred in Três Lagoas city, Mato Grosso do Sul state, a border town near São Paulo state, Brazil. The diagnosis was based on typical histological lesions characterized by systemic lymphohistiocytic and fibrinoid vasculitis, confirmed by polymerase chain reaction and subsequent phylogenetic analysis of detected OvHV-2 sequences. This finding indicates that MCF disease is spread among herds concentrated in border areas between Mato Grosso do Sul and São Paulo states.
ISSN:1678-9199
1678-9199
DOI:10.1590/S1678-91992010005000012