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Annual ryegrass toxicity in yarded bulls

Annual ryegrass toxicity in yarded bulls

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....
Jaagsiekte: chronic weight loss/ respiratory syndrome of horses

Jaagsiekte: chronic weight loss/ respiratory syndrome of horses

Jaagsiekte: chronic weight loss/ respiratory syndrome of horses Unusual presentation: Multiple horses losing condition despite access to feed and dying. Case study at the 2021 NABS Masterclass (22 mins) More pathology (10 mins) Above: The lungs did not collapse and...
Bacterial pneumonia in recently-weaned steers

Bacterial pneumonia in recently-weaned steers

Bacterial pneumonia in recently-weaned steers Unusual presentation: Within a week of arriving on a new property, 14 steers died and another 100 were lethargic. Time and location:  November 2020, south Kimberley region in WA. Case definition: Weaner steers that are...
Septicaemia with multi-organ vasculitis and thrombosis

Septicaemia with multi-organ vasculitis and thrombosis

Septicaemia with multi-organ vasculitis and thrombosis  Unusual presentation: Sixteen deaths in a mob of young bulls within a month of arriving on a new property. Above: A depressed, non-responsive bull  – with ticks but no signs of ocular or nasal discharge....
Hendra virus facts and resources

Hendra virus facts and resources

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...