Sudden death due to probable urea toxicity Unusual presentation: 100 of 3000 Brahman cattle found dead. Above: Heifer in lateral recumbency with mild head and neck tremors Time and location: August 2023, WA. Case definition: Cows and bulls found dead in a paddock,...
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 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,...
Blackleg in unweaned calves in good condition Unusual presentation: Sudden death of several six-month old Brahman calves. Above: Haemorrhages were visible on the cardiac surface. Time and location: March to April 2022, central Queensland. Case definition:...
Botulism the prime suspect Unusual presentation: Death of nine cattle over a week. Above: Contamination of silage with botulism toxin was a possibility. Time and location: September 2021, Far North Queensland. Case definition: Sudden death of cattle being fed a...
