Yellow-wood poisoning of heifers Unusual presentation: Nineteen heifers showing neurological signs and dying within the space of a week. Above: Both heifers had widespread jaundice and swollen livers and kidneys. Time and location: March 2021, mid coast Queensland....
Acute oxalate poisoning of merino ewes Unusual presentation: 70 mature merino ewes found dead and another 12 recumbent within 4 days. Time and location: February 2021, central west Queensland. Case definition: Ewes (6-10 weeks after joining) become weak, show signs...
Bovine hypertensive syndrome in mature cows Unusual presentation: Thirteen cows died or became recumbent within two weeks of being drafted and put onto supplementary feed. Time and location: November 2020, northern WA. Case definition: Ataxia, recumbency and death...
Multiple tick fever deaths in young steers Unusual presentation: High mortality in a mob of 450 steers over three days, with 5 dead and 2 sick. Above: The fifth steer to die within three days. Time and location: November 2020, mid north Queensland. Case definition:...
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...
