A Yersiniosis outbreak in cows and weaners Unusual presentation: 43 of 170 animals became lethargic, had diarrhoea and 16 died within 48 hours of the onset of clinical signs. Above: Affected animals became lethargic, dehydrated and had abdominal pain. Time and...
Annual ryegrass toxicity in yarded bulls Unusual presentation: Fifteen bulls with respiratory and nervous signs, three dying within a few days of the onset of clinical signs. Above: A severely affected bull – has a wide-based stance and is unwilling to move....
Hendra virus facts and resources Hendra virus can produce life-threatening illness in horses and humans: to date about 80% of infected horses and 60% of infected people have died. Above: Oedematous lung from an HeV case (similar to the pathology caused by African...
Rectal haemorrhage and sudden death – possible JHS Unusual presentation: Severe milk drop in dairy cows, 13 of 700 head affected, 3 dying within 24 hours of showing signs. Above: Two cows post-mortemed had extensive haemorrhages across all serosal surfaces....
Lantana poisoning in yearling heifers Unusual presentation: Acute illness and buccal erosions in young heifers. Above: Lesions under the tongue are sometimes the only signs of photosensitisation in cattle with pigmented skin as this area is exposed to sunlight when...
