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Sudden death of heifers due to Tick Fever

Sudden death of heifers due to Tick Fever

Sudden death of heifers due to Tick Fever Unusual presentation: Eleven heifers became lethargic and weak, and then died within 24-48 hours. Above: Post mortem found jaundice throughout the carcass, an enlarged liver and abnormal spleen.Below: Timing of management...
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...
Blackleg in unweaned calves in good condition

Blackleg in unweaned calves in good condition

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:...