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Case notes on veterinary investigations in sheep, cattle and other species

2021-22 Summer edition of case studies


Acute Primary Copper Poisoning in Sheep After a Footbath Accident
Written by: Erika Bunker and Patrick Staples, Elizabeth Macarthur Agricultural Institute, Menangle and Bruce Watt, Central Tablelands Local Lands Services, Bathurst
Primary copper poisoning occurs in sheep that are fed or treated with excess copper, and which may be acute (from a single exposure) or chronic ... Read More

Nardoo (Marsilea drummondii) Causing Polioencephalomalacia, Cardiomyopathy and Mortality in First-Cross Ewes in the Coonamble District
Written by: Jillian Kelly, District Veterinarian Local Land Services, Coonamble and Anne Jordan, Pathologist, Elizabeth Macarthur Agricultural Institute, Menangle
This Nardoo poisoning case is the first documented in sheep in the Coonamble district, which also featured an unusual case presentation ... Read More

Ulcerative Posthitis in Rams
Written by: Manali Subramaniam, 4th year DVM student, University and Charlotte Cavanagh, Local Land Services, Bourke
Ulcerative posthitis is commonly found to affect wethers residing in areas of high rainfall with lush pastures, with the highest prevalence reported in Australian mobs ... Read More


Fatal Verminous Pneumonia in Mature Angus Cows
Written by: Ted Irwin, BVSc MANZCVS, District Veterinarian North West LLS, Warialda
The producers called me to examine a cow that appeared unwell after another cow had died within the herd of 120 cow ... Read More

Mother of Millions Toxicity in a Heifer
Written by: Aziz Chowdhury, District Veterinarian, Greater Sydney LLS and Erika Bunker, Veterinary Pathologist, EMAI
A paddock walk revealed a large number of Mother of Millions plants next to a dam, with evidence that the plants had been eaten by the cattle ... Read More


Tracing During the 2021 COVID-19 Pandemic
Written by: Megan Davies, District Veterinarian and Emergency Management Coordinator, North West Local Land Services, Narrabri
In June 2021, the number of cases of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2, COVID-19) in NSW began to increase, due to a Delta Variant outbreak ... Read More

Yersinia enterocolitica Enteritis in a Goat Herd
Written by: Judy Ellem, District Veterinarian North West Local Land Services, Gunnedah NSW
This case report describes a case of watery diarrhoea, weight loss, submandibular oedema and deaths affecting a herd of goats in North West NSW ... Read More



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