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
Burnt muzzle syndrome in bovine with EHD/BT
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
Oedema of muzzle and tongue
Haemorrhage at the base of the pulmonary artery - the only pathognomic sign of BT
virus
Oedema and congestion of the lungs