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Sudden death due to probable urea toxicity

Sudden death due to probable urea toxicity

Sudden death due to probable urea toxicity Unusual presentation: 100 of 3000 Brahman cattle found dead. Time and location: August 2023, WA​​. Case definition: Cows and bulls found dead in a paddock, some animals with sunken eyes and head down pre-mortem. Disease...
Thrombocytopenia with tick infestation

Thrombocytopenia with tick infestation

Thrombocytopenia with tick infestation Unusual presentation: Sudden death of 19 heifers. Above: Significant abdominal and endocardial haemorrhage, with no clots and blood the consistency of weak red cordial. Time and location: Northern Territory, October 2023​. Case...
Weaners die from ruminal acidosis

Weaners die from ruminal acidosis

Weaners die from ruminal acidosis Unusual presentation: Rapid deterioration and death of 20 freshly weaned cattle from a mob of 400 within one week. Above: Acidotic rumen fluid and severely ulceration and sloughing of abomasum. Above: Timeline showing feeding regime,...
Heifers collapse in hindlegs with necrotic myositis

Heifers collapse in hindlegs with necrotic myositis

Heifers collapse in hindlegs with necrotic myositis Unusual presentation: Five young heifers from a mob of 300 Brahman with hindleg collapse. Above: Haemorrhage behind the tibia and ruptured gastrocnemius muscle​. Time and location: March 2023, Queensland. Case...
Necrotising skin lesions – open diagnosis

Necrotising skin lesions – open diagnosis

Necrotising skin lesions – open diagnosis Unusual presentation: Multiple cattle with large necrotic skin lesions on sides and/or rump. Above: Heifer with bilateral necrotising skin lesion extending from caudal shoulder blade to flanks. Time and location: February to...