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Oedema of the muzzle, hyperaemia of mucous membranes. Immediate hypersensitivity to the bites of Culicoides variipennis, a vector of bluetongue. Nasal discharge, salivation and oedema of the muzzle. Coronitis. Burnt muzzle syndrome in bovine with EHD/BT.
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Immediate hypersensitivity to the bites of Culicoides variipennis, a vector of bluetongue
Capillary haemorrhage in the caecum and colon of a BT virus infected sheep
Hyperaemia of the oral cavity and oedema of the mucous membranes
Nasal discharge, hyperaemia of the mucous membranes and oedema of the muzzle
Haemorrhage at the base of the pulmonary artery - the only pathognomic sign of BT virus