Sudden death of six heifers due to a hepatotoxin Unusual presentation: Sudden death of three heifers in one area of a paddock within a 5-day period. Case study at the 2021 NABS Masterclass (18 mins) Above: A map of the water square showing locations of cases and other...
What plant is this? (1) Lantana camara A large flowering shrub native to Central and South America that readily grows into thickets. Introduced to Australia as an ornamental garden plant in about 1841, What it causes: A hepatogenous photosensitisation due to...
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...
Nitrate-nitrite poisoning in mature bulls Unusual presentation: Death overnight of 15 bulls being held in cattle yards following routine examination. Time and location: February 2020, northeast WA. Case definition: Mature Charbray bulls (4-8 years of age) that die...
Obstructive urolithiasis in steers Unusual presentation: Eight steers dying in one week and more affected. Time and location: January 2020, northern Queensland. Case definition: Young Brahman steers with a BCS of 2/5 became unwell, stand on their own, go into sternal...
