case 1: 10 year old DSH cat with a lerge lump over frontal sinus. case 2: death from respiratory disease in an Arabian foal. case 3: acute airway obstruction in a horse. case 4: wasting and diarrhoea in a 1 year old goat. case 5: 8 year old mare with severe episodic respiratory disease. case 6: progressive exercise intolerannce over last 5 months in a 4 year old sheep.