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Ciência Rural

Print version ISSN 0103-8478


MARQUES, Ana Luisa Alves et al. Spinal cord compression in cattle associated whit vaccination against foot and mouth disease. Cienc. Rural [online]. 2012, vol.42, n.10, pp.1851-1854. ISSN 0103-8478.

This paper reports the etiological, epidemiological, clinic, and pathological features of an outbreak of incoordination observed after vaccination against foot and mouth disease (FMD) in cattle in the states of Paraíba and Pernambuco. The signs of incoordination were observed approximately 45 days after vaccination that was applied in the toracic and lumbar region. A lump was found in the local of the vaccination.Twenty-four animals showed this signs, six in Paraíba and 18 in Pernambuco. Six animals died and four were euthanized. At necropsy exam were observed abscedative myositis with yellow irregular areas to multifocal coalescing a white liquid in the left muscle Longissimus lumborum (two animals) and yellowish firm mass compressing the spinal cord between vertebrae T11 and T12 (one animal) and L3 and L5 vertebrae (one animal). The myositis and the pyogranulomatous paquimeningitis were characterized by multifocal to coalescing areas showing clear spherical spaces of various sizes centrally located corresponding to the oil adjuvant of FMD vaccine removed by histologic processing. It has been determined the diagnosis of spinal cord compression secondary to vaccine granuloma.

Keywords : ruminants; spinal cord lesion; vaccines; oil adjuvant.

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